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State legislative elections results, 2010

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State legislature

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2010 State Legislative Elections
States
Alabama • Alaska • Arizona • Arkansas • California • Colorado • Connecticut • Delaware • Florida • Georgia • Hawaii • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Maryland • Massachusetts • Michigan• Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Hampshire • New Jersey • New Mexico • New York • North Carolina • North Dakota • Ohio • Oklahoma • Oregon • Pennsylvania • Rhode Island • South Carolina • South Dakota • Tennessee • Texas • Utah • Vermont • Virginia • Washington • West Virginia • Wisconsin • Wyoming
Other 2010 Election information
Primary elections • Statewide elections, 2010 • State Senate elections • State House elections

There were 6,125 seats up for election on November 2.

20 state legislative chambers switched from Democratic to Republican.

Partisan breakdown

Before the election

Heading into the November 2 elections, the Democratic Party held a commanding lead in state houses in the 88 legislative chambers that hold elections in 2010. 52 of the 88 chambers, or nearly 60% of them, currently have a Democratic majority, while 33 of them have a Republican majority. (Two chambers have an exactly equal number of Democrats and Republicans and one is officially nonpartisan.)

Legislative chamber Democratic Party Republican Party Purple.png Grey.png
State senates 23 18 1 1
State houses 29 15 1 -
Totals: 52 33 2 1

After the election

Republicans have picked up 20 legislative chambers while Democrats have lost 20. Republicans won 53 chambers on November 2, while Democrats won only 32.

Legislative chamber Democratic Party Republican Party Purple.png Grey.png
State senates 16 25 1 1
State houses 16 28 1 0
Totals: 32 53 2 1

Election results

Below are partisan boxes reflecting the chamber's party makeup before and after the election.

Alabama

See also: Alabama State Senate elections, 2010 and Alabama House of Representatives elections, 2010


Alabama House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 60 39
     Republican Party 43 66
     Vacancy 2 -
Total 105 105


Alabama State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 20 12
     Republican Party 15 22
     Independent 0 1
Total 35 35


Alaska

See also: Alaska State Senate elections, 2010 and Alaska House of Representatives elections, 2010


Alaska House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 18 16
     Republican Party 21 24
     Vacancy 1 -
Total 40 40


Alaska State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 10 10
     Republican Party 10 10
Total 20 20


Arizona

See also: Arizona State Senate elections, 2010 and Arizona House of Representatives elections, 2010


Arizona House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 25 20
     Republican Party 35 40
Total 60 60


Arizona State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 12 9
     Republican Party 18 21
Total 30 30


Arkansas

See also: Arkansas State Senate elections, 2010 and Arkansas House of Representatives elections, 2010


Arkansas House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 71 55
     Republican Party 28 45
     Vacancy 1 -
Total 100 100


Arkansas State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 27 20
     Republican Party 8 15
Total 35 35


California

See also: California State Senate elections, 2010 and California State Assembly elections, 2010


California State Assembly
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 50 52
     Republican Party 27 28
     Independent 1 -
     Vacancy 2 -
Total 80 80


California State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 24 25
     Republican Party 14 14
     Vacancy 2 1
Total 40 40


Colorado

See also: Colorado State Senate elections, 2010 and Colorado House of Representatives elections, 2010


Colorado House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 37 32
     Republican Party 27 33
     Independent 1 0
Total 65 65


Colorado State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 21 20
     Republican Party 14 15
Total 35 35


Connecticut

See also: Connecticut State Senate elections, 2010 and Connecticut House of Representatives elections, 2010


Connecticut House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 114 97
     Republican Party 37 54
Total 151 151


Connecticut State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 24 23
     Republican Party 12 13
Total 36 36


Delaware

See also: Delaware State Senate elections, 2010 and Delaware House of Representatives elections, 2010


Delaware House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 24 26
     Republican Party 17 15
Total 41 41


Delaware State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 15 14
     Republican Party 6 7
Total 21 21


Florida

See also: Florida State Senate elections, 2010 and Florida House of Representatives elections, 2010


Florida House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 44 39
     Republican Party 76 81
Total 120 120


Florida State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 13 12
     Republican Party 26 28
     Vacancy 1 -
Total 40 40


Georgia

See also: Georgia State Senate elections, 2010 and Georgia House of Representatives elections, 2010


Georgia House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 73 66
     Republican Party 103 113
     Independent 1 1
     Vacancy 3 -
Total 180 180


Georgia State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 22 20
     Republican Party 34 36
Total 56 56


Hawaii

See also: Hawaii State Senate elections, 2010 and Hawaii House of Representatives elections, 2010


Hawaii House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 45 43
     Republican Party 6 8
Total 51 51


Hawaii State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 23 24
     Republican Party 2 1
Total 25 25


Idaho

See also: Idaho State Senate elections, 2010 and Idaho House of Representatives elections, 2010


Idaho House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 18 13
     Republican Party 52 57
Total 70 70


Idaho State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 7 7
     Republican Party 28 28
Total 35 35


Illinois

See also: Illinois State Senate elections, 2010 and Illinois House of Representatives elections, 2010


Illinois House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 70 64
     Republican Party 48 54
Total 118 118


Illinois State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 37 35
     Republican Party 22 23
     Vacancy 0 1
Total 59 59


Indiana

See also: Indiana State Senate elections, 2010 and Indiana House of Representatives elections, 2010


Indiana House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 52 40
     Republican Party 48 60
Total 100 100


Indiana State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 17 14
     Republican Party 33 36
Total 50 50


Iowa

See also: Iowa State Senate elections, 2010 and Iowa House of Representatives elections, 2010


Iowa House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 56 42
     Republican Party 44 58
Total 100 100


Iowa State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 32 27
     Republican Party 18 23
Total 50 50


Kansas

See also: Kansas House of Representatives elections, 2010


Kansas House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 49 33
     Republican Party 76 92
Total 125 125


Kentucky

See also: Kentucky State Senate elections, 2010 and Kentucky House of Representatives elections, 2010


Kentucky House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 65 58
     Republican Party 35 42
Total 100 100


Kentucky State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 17 15
     Republican Party 20 22
     Vacancy 1 1
Total 38 38


Maine

See also: Maine State Senate elections, 2010 and Maine House of Representatives elections, 2010


Maine House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 94 72
     Republican Party 55 78
     Independent 1 1
     Non-voting 2 2
     Vacancy 1 -
Total 153 153


Maine State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 20 14
     Republican Party 15 20
     Independent 0 1
Total 35 35


Maryland

See also: Maryland State Senate elections, 2010 and Maryland House of Delegates elections, 2010


Maryland House of Delegates
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 104 98
     Republican Party 37 43
Total 141 141


Maryland State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 33 35
     Republican Party 14 12
Total 47 47


Massachusetts

See also: Massachusetts State Senate elections, 2010 and Massachusetts House of Representatives elections, 2010


Massachusetts House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 142 128
     Republican Party 15 32
     Vacancy 3 -
Total 160 160


Massachusetts State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 35 36
     Republican Party 5 4
Total 40 40


Michigan

See also: Michigan State Senate elections, 2010 and Michigan House of Representatives elections, 2010


Michigan House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 65 47
     Republican Party 42 63
     Vacancy 3 -
Total 110 110


Michigan State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 16 12
     Republican Party 22 26
Total 38 38


Minnesota

See also: Minnesota State Senate elections, 2010 and Minnesota House of Representatives elections, 2010


Minnesota House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 87 62
     Republican Party 47 72
Total 134 134


Minnesota State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 46 30
     Republican Party 21 37
Total 67 67


Missouri

See also: Missouri State Senate elections, 2010 and Missouri House of Representatives elections, 2010


Missouri House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 74 57
     Republican Party 88 106
     Vacancy 1 -
Total 163 163


Missouri State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 11 8
     Republican Party 23 26
Total 34 34


Montana

See also: Montana State Senate elections, 2010 and Montana House of Representatives elections, 2010


Montana House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 50 32
     Republican Party 50 68
Total 100 100


Montana State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 22 22
     Republican Party 27 28
     Vacancy 1 -
Total 50 50


Nebraska

See also: Nebraska State Senate elections, 2010

Nevada

See also: Nevada State Senate elections, 2010 and Nevada House of Representatives elections, 2010


Nevada Assembly
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 28 26
     Republican Party 14 16
Total 42 42


Nevada State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 12 11
     Republican Party 7 10
     Vacancy 2 -
Total 21 21


New Hampshire

See also: New Hampshire State Senate elections, 2010 and New Hampshire House of Representatives elections, 2010


New Hampshire House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 216 102
     Republican Party 174 298
     Vacancy 10 -
Total 400 400


New Hampshire State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 14 5
     Republican Party 10 19
Total 24 24


New Mexico

New Mexico House of Representatives elections, 2010


New Mexico House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 45 37
     Republican Party 25 33
Total 70 70


New York

See also: New York State Senate elections, 2010 and New York State Assembly elections, 2010


New York State Assembly
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 105 99
     Republican Party 42 50
     Independence Party 2 1
     Vacancy 1 -
Total 150 150


New York State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 32 30
     Republican Party 29 32
     Vacancy 1 -
Total 62 62


North Carolina

See also: North Carolina State Senate elections, 2010 and North Carolina House of Representatives elections, 2010


North Carolina House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 68 52
     Republican Party 52 67
     Independent - 1
Total 120 120


North Carolina State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 30 19
     Republican Party 20 31
Total 50 50


North Dakota

See also: North Dakota State Senate elections, 2010 and North Dakota House of Representatives elections, 2010


North Dakota House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 36 25
     Republican Party 58 69
Total 94 94


North Dakota State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 21 12
     Republican Party 26 35
Total 47 47


Ohio

See also: Ohio State Senate elections, 2010 and Ohio House of Representatives elections, 2010


Ohio House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 53 40
     Republican Party 46 59
Total 99 99


Ohio State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 12 10
     Republican Party 21 23
Total 33 33


Oklahoma

See also: Oklahoma State Senate elections, 2010 and Oklahoma House of Representatives elections, 2010


Oklahoma House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 39 31
     Republican Party 62 70
Total 101 101


Oklahoma State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 22 16
     Republican Party 26 32
Total 48 48


Oregon

See also: Oregon State Senate elections, 2010 and Oregon House of Representatives elections, 2010


Oregon House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 36 30
     Republican Party 24 30
Total 60 60


Oregon State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 18 16
     Republican Party 12 14
Total 30 30


Pennsylvania

See also: Pennsylvania State Senate elections, 2010 and Pennsylvania House of Representatives elections, 2010


Pennsylvania House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 104 91
     Republican Party 98 112
     Vacancy 1 -
Total 203 203


Pennsylvania State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 20 20
     Republican Party 30 30
Total 50 50


Rhode Island

See also: Rhode Island State Senate elections, 2010 and Rhode Island House of Representatives elections, 2010


Rhode Island House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 69 65
     Republican Party 6 10
Total 75 75


Rhode Island State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 33 29
     Republican Party 4 8
     Independent 1 1
Total 38 38


South Carolina

See also: South Carolina House of Representatives elections, 2010


South Carolina House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 51 48
     Republican Party 73 75
     Vacancy - 1
Total 124 124


South Dakota

See also: South Dakota State Senate elections, 2010 and South Dakota House of Representatives elections, 2010


South Dakota House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 24 19
     Republican Party 46 50
     Independent 0 1
Total 70 70


South Dakota State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 14 5
     Republican Party 21 30
Total 35 35


Tennessee

See also: Tennessee State Senate elections, 2010 and Tennessee House of Representatives elections, 2010


Tennessee House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 48 34
     Republican Party 51 64
     Independent 1 1
Total 99 99


Tennessee State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 14 13
     Republican Party 19 20
Total 33 33


Texas

See also: Texas State Senate elections, 2010 and Texas House of Representatives elections, 2010


Texas House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 73 51
     Republican Party 76 98
     Vacancy 1 1
Total 150 150


Texas State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 12 12
     Republican Party 19 19
Total 31 31


Utah

See also: Utah State Senate elections, 2010 and Utah House of Representatives elections, 2010


Utah House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 22 16
     Republican Party 53 59
Total 75 75


Utah State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 8 7
     Republican Party 21 22
Total 29 29


Vermont

See also: Vermont State Senate elections, 2010 and Vermont House of Representatives elections, 2010


Vermont House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 94 94
     Republican Party 48 48
     Vermont Progressive Party 5 5
     Independent 3 3
Total 150 150


Vermont State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 23 22
     Republican Party 7 8
Total 30 30


Washington

See also: Washington State Senate elections, 2010 and Washington House of Representatives elections, 2010


Washington House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 61 57
     Republican Party 37 41
Total 98 98


Washington State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 31 27
     Republican Party 18 22
Total 49 49


West Virginia

See also: West Virginia State Senate elections, 2010 and West Virginia House of Delegates elections, 2010


West Virginia House of Delegates
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 71 65
     Republican Party 29 35
Total 100 100


West Virginia State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 26 27
     Republican Party 8 7
Total 34 34


Wisconsin

See also: Wisconsin State Senate elections, 2010 and Wisconsin State Assembly elections, 2010


Wisconsin State Assembly
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 50 38
     Republican Party 45 60
     Independent 2 1
     Vacancy 2 -
Total 99 99


Wisconsin State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 18 14
     Republican Party 15 19
Total 33 33


Wyoming

See also: Wyoming State Senate elections, 2010 and Wyoming House of Representatives elections, 2010


Wyoming House of Representatives
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 19 9
     Republican Party 41 51
Total 60 60


Wyoming State Senate
Party As of November 1, 2010 After the 2010 Election
     Democratic Party 7 4
     Republican Party 23 26
Total 30 30


State Senate

SLP badge.png
Democrats
Before election: 28
Predicted after election: 21
Actual Results: 20 		Toss-up
6 		Republicans
Before election: 20
Predicted after election: 22
Actual Results: 26
15 Safe or Not Up 3 3 6 2 4 16 Safe or Not Up



State Senate Results, 2010
Partisan count before November 2010 Partisan count after November 2010
State Democratic Republican Democratic Republican
Alabama 20 15 12 22
Alaska 10 10 10 10
Arizona 12 18 9 21
Arkansas 27 8 20 15
California 24 14 24 14
Colorado 21 14 19 16
Connecticut[1] 24 12 20 12
Delaware 15 6 14 7
Florida 13 26 12 28
Georgia 22 34 21 35
Hawaii 23 2 24 1
Idaho 7 28 7 28
Illinois 37 22 34 25
Indiana 17 33 14 36
Iowa 32 18 27 23
Kansas 9 31 9 31
Kentucky 17 20 15 22
Louisiana 22 16 22 16
Maine[2] 20 15 15 19
Maryland 33 14 35 12
Massachusetts 35 5 36 4
Michigan 16 22 12 26
Minnesota 46 21 31 36
Mississippi 27 25 27 25
Missouri 11 23 11 22
Montana 22 27 18 32
Nebraska[3] NA NA NA NA
Nevada 12 7 11 10
New Hampshire 14 10 5 19
New Jersey 23 17 23 17
New Mexico 27 15 27 15
New York[4] 32 29 30 30
North Carolina 30 20 19 31
North Dakota 21 26 12 35
Ohio 12 21 10 23
Oklahoma 22 26 16 32
Oregon[5] 18 12 15 14
Pennsylvania 20 30 20 30
Rhode Island 33 4 29 9
South Carolina 19 27 19 27
South Dakota 14 21 8 27
Tennessee 14 19 13 20
Texas 12 19 12 19
Utah 8 21 7 22
Vermont 23 7 22 8
Virginia 22 18 22 18
Washington 31 18 27 22
West Virginia 26 8 26 8
Wisconsin 18 15 14 19
Wyoming 7 23 4 26


State House

SLP badge.png
Democrats
Before election: 32
Projected after election: 23
Actual Results: 19 		Toss-up
5 		Republicans
Before election: 16
Projected after election: 21
Actual Results: 29
13 Safe or Not Up 6 4 5 5 3 13 Safe or Not Up

Note: Oregon House tied 30-30.


State House Results, 2010
Partisan count before November 2010 Partisan count after November 2010
State Democratic Republican Others/Independents Democratic Republican Others/Independents
Alabama 60 43 43 62
Alaska 18 21 1 16 24 1
Arizona 25 35 20 40


Arkansas 71 28 54 46
California 50 27 1 52 25 1
Colorado 37 27 31 33
Connecticut[6] 114 37 96 50
Delaware 24 17 26 15
Florida 44 76 40 80
Georgia 73 103 1 72 107 1
Hawaii 45 6 43 8
Idaho 18 52 13 57
Illinois 70 48 64 54
Indiana 52 48 42 58
Iowa 56 44 42 58
Kansas 46 79 33 92
Kentucky 65 35 58 42
Louisiana 51 50 4 51 50 4
Maine 94 55 1 73 76 1
Maryland 104 37 98 43
Massachusetts 142 15 130 30
Michigan 65 42 54 56
Minnesota 87 47 61 73
Mississippi 73 49 73 49
Missouri 74 88 1 58 105
Montana 50 50 33 67
Nebraska[7] NA NA NA NA
Nevada 28 14 26 16
New Hampshire 216 174 102 298
New Jersey 47 33 47 33
New Mexico 45 25 36 34
New York 105 42 2 99 50 1
North Carolina 68 52 52 67
North Dakota 36 58 25 69
Ohio 53 46 41 58
Oklahoma 39 62 34 67
Oregon 36 24 30 30
Pennsylvania 104 98 89 114
Rhode Island 69 6 65 10
South Carolina 51 73 48 76
South Dakota 24 46 21 48
Tennessee 48 51 34 64
Texas 73 76 51 99
Utah 22 53 16 59
Vermont[8] 94 48 8 93 48 8
Virginia 39 59 39 59
Washington 61 37 55 43
West Virginia 71 29 65 35
Wisconsin 50 45 2 38 60 1
Wyoming 19 41 8 52


Partisan balance of state legislatures after 2010 election

SLP badge 2010 election.jpg
2010 State Legislative Elections
Maps of Partisan Balance

Partisan Legislatures • Partisan Senates • Partisan Houses • Both Chambers Democrat • Both Chambers Republican • Democratic Senates • Republican Senates • Democratic Houses • Republican Houses

In the 88 chambers that held elections, the following is the breakdown of totals won by each party:

The 20 chambers changed hands from Democratic to Republican are:

Below are maps detailing the look of state legislative chambers both before and after the election.

Partisan breakdown

Before the election

Heading into the November 2 elections, the Democratic Party held a commanding lead in state houses in the 88 legislative chambers that hold elections in 2010. 52 of the 88 chambers, or nearly 60% of them, currently have a Democratic majority, while 33 of them have a Republican majority. (Two chambers have an exactly equal number of Democrats and Republicans and one is officially nonpartisan.)

Legislative chamber Democratic Party Republican Party Purple.png Grey.png
State senates 23 18 1 1
State houses 29 15 1 -
Totals: 52 33 2 1

           

After the election

Not including the 2 chambers still up for grabs, Republicans have picked up 19 legislative chambers while Democrats have lost 21. Republicans won 52 chambers on November 2, while Democrats won only 31.

Legislative chamber Democratic Party Republican Party Purple.png Grey.png
State senates 15 24 1 1
State houses 16 28 1 0
Totals: 31 52 2 1

Maps of partisan balance

Before election

Partisan Legislatures

Partisan dominance in state legislatures
heading into the 2010 state legislative elections
Nevada State LegislatureMassachusetts General CourtColorado General AssemblyNew Mexico State LegislatureWyoming State LegislatureArizona State LegislatureMontana State LegislatureCalifornia State LegislatureOregon State LegislatureWashington State LegislatureIdaho State LegislatureTexas State LegislatureOklahoma State LegislatureKansas State LegislatureNebraska State Senate (Unicameral)South Dakota State LegislatureNorth Dakota State LegislatureMinnesota State LegislatureIowa State LegislatureMissouri State LegislatureArkansas State LegislatureLouisiana State LegislatureMississippi State LegislatureAlabama State LegislatureGeorgia State LegislatureFlorida State LegislatureSouth Carolina State LegislatureIllinois State LegislatureWisconsin State LegislatureTennessee State LegislatureNorth Carolina State LegislatureIndiana State LegislatureOhio State LegislatureKentucky State LegislaturePennsylvania State LegislatureNew Jersey State LegislatureNew York State LegislatureVermont State LegislatureVermont State LegislatureNew Hampshire State LegislatureMaine State LegislatureWest Virginia State LegislatureVirginia State LegislatureMaryland State LegislatureMaryland State LegislatureConnecticut State LegislatureConnecticut State LegislatureDelaware State LegislatureDelaware State LegislatureRhode Island State LegislatureRhode Island State LegislatureMassachusetts State LegislatureNew Hampshire State LegislatureMichigan State LegislatureMichigan State LegislatureAlaska State LegislaturePartisan Breakdown State Legislatures2.jpg

Partisan Senates

Partisan dominance in state senates
heading into the 2010 state legislative elections
Nevada State SenateMassachusetts State SenateColorado State SenateNew Mexico State SenateWyoming State SenateArizona State SenateMontana State SenateCalifornia State SenateOregon State SenateWashington State SenateIdaho State SenateTexas State SenateOklahoma State SenateKansas State SenateSouth Dakota State SenateNorth Dakota State SenateMinnesota State SenateIowa State SenateMissouri State SenateArkansas State SenateLouisiana State SenateMississippi State SenateAlabama State SenateGeorgia State SenateFlorida State SenateSouth Carolina State SenateIllinois State SenateWisconsin State AssemblyTennessee State SenateNorth Carolina State SenateIndiana State SenateOhio State SenateKentucky State SenatePennsylvania State SenateNew Jersey State SenateNew York State SenateVermont State SenateVermont State SenateNew Hampshire State SenateMaine State SenateWest Virginia State SenateVirginia State SenateNebraska State Senate (Unicameral)Maryland State SenateMaryland State SenateConnecticut State SenateConnecticut State SenateDelaware State SenateDelaware State SenateRhode Island State SenateRhode Island State SenateMassachusetts State SenateNew Hampshire State SenateMichigan State SenateMichigan State SenateAlaska State SenateSenates Combined.png

Partisan Houses

Partisan dominance in state houses
heading into the 2010 state legislative elections
Nevada State AssemblyMassachusetts House of RepresentativesColorado House of RepresentativesNew Mexico House of RepresentativesWyoming House of RepresentativesArizona House of RepresentativesMontana House of RepresentativesCalifornia State AssemblyOregon House of RepresentativesWashington House of RepresentativesIdaho House of RepresentativesTexas House of RepresentativesOklahoma House of RepresentativesKansas House of RepresentativesSouth Dakota House of RepresentativesNorth Dakota House of RepresentativesMinnesota House of RepresentativesIowa House of RepresentativesMissouri House of RepresentativesArkansas House of RepresentativesLouisiana House of RepresentativesMississippi House of RepresentativesAlabama House of RepresentativesGeorgia House of RepresentativesFlorida House of RepresentativesSouth Carolina House of RepresentativesIllinois House of RepresentativesWisconsin State AssemblyTennessee House of RepresentativesNorth Carolina House of RepresentativesIndiana House of RepresentativesOhio House of RepresentativesKentucky House of RepresentativesPennsylvania House of RepresentativesNew Jersey State AssemblyNew York State AssemblyVermont House of RepresentativesVermont House of RepresentativesNew Hampshire House of RepresentativesMaine House of RepresentativesWest Virginia House of DelegatesVirginia State AssemblyMaryland House of DelegatesMaryland House of DelegatesConnecticut House of RepresentativesConnecticut House of RepresentativesDelaware House of RepresentativesDelaware House of RepresentativesRhode Island House of RepresentativesRhode Island House of RepresentativesMassachusetts House of RepresentativesNew Hampshire House of RepresentativesMichigan House of RepresentativesMichigan House of RepresentativesAlaska House of RepresentativesHouses Map 2010.png

Both Chambers Democrat

State legislatures where heading into November 2010
the Democratic Party is in the majority in both chambers
Nevada State LegislatureMassachusetts General CourtColorado General AssemblyNew Mexico State LegislatureWyoming State LegislatureArizona State LegislatureMontana State LegislatureCalifornia State LegislatureOregon State LegislatureWashington State LegislatureIdaho State LegislatureTexas State LegislatureOklahoma State LegislatureKansas State LegislatureNebraska State Senate (Unicameral)South Dakota State LegislatureNorth Dakota State LegislatureMinnesota State LegislatureIowa State LegislatureMissouri State LegislatureArkansas State LegislatureLouisiana State LegislatureMississippi State LegislatureAlabama State LegislatureGeorgia State LegislatureFlorida State LegislatureSouth Carolina State LegislatureIllinois State LegislatureWisconsin State LegislatureTennessee State LegislatureNorth Carolina State LegislatureIndiana State LegislatureOhio State LegislatureKentucky State LegislaturePennsylvania State LegislatureNew Jersey State LegislatureNew York State LegislatureVermont State LegislatureVermont State LegislatureNew Hampshire State LegislatureMaine State LegislatureWest Virginia State LegislatureVirginia State LegislatureMaryland State LegislatureMaryland State LegislatureConnecticut State LegislatureConnecticut State LegislatureDelaware State LegislatureDelaware State LegislatureRhode Island State LegislatureRhode Island State LegislatureMassachusetts State LegislatureNew Hampshire State LegislatureMichigan State LegislatureMichigan State LegislatureAlaska State LegislatureDemocratic control of both chambers.png

Both Chambers Republican

State legislatures where heading into the November 2, 2010 elections
the Republican Party was in the majority in both chambers
Nevada State LegislatureMassachusetts General CourtColorado General AssemblyNew Mexico State LegislatureWyoming State LegislatureArizona State LegislatureMontana State LegislatureCalifornia State LegislatureOregon State LegislatureWashington State LegislatureIdaho State LegislatureTexas State LegislatureOklahoma State LegislatureKansas State LegislatureNebraska State Senate (Unicameral)South Dakota State LegislatureNorth Dakota State LegislatureMinnesota State LegislatureIowa State LegislatureMissouri State LegislatureArkansas State LegislatureLouisiana State LegislatureMississippi State LegislatureAlabama State LegislatureGeorgia State LegislatureFlorida State LegislatureSouth Carolina State LegislatureIllinois State LegislatureWisconsin State LegislatureTennessee State LegislatureNorth Carolina State LegislatureIndiana State LegislatureOhio State LegislatureKentucky State LegislaturePennsylvania State LegislatureNew Jersey State LegislatureNew York State LegislatureVermont State LegislatureVermont State LegislatureNew Hampshire State LegislatureMaine State LegislatureWest Virginia State LegislatureVirginia State LegislatureMaryland State LegislatureMaryland State LegislatureConnecticut State LegislatureConnecticut State LegislatureDelaware State LegislatureDelaware State LegislatureRhode Island State LegislatureRhode Island State LegislatureMassachusetts State LegislatureNew Hampshire State LegislatureMichigan State LegislatureMichigan State LegislatureAlaska State LegislatureRepublican control of both chambers.png

Democratic Senates

State senates where heading into November 2010
the Democratic Party is in the majority.
Nevada State SenateMassachusetts State SenateColorado State SenateNew Mexico State SenateCalifornia State SenateOregon State SenateWashington State SenateMinnesota State SenateIowa State SenateArkansas State SenateLouisiana State SenateMississippi State SenateAlabama State SenateIllinois State SenateWisconsin State SenateNorth Carolina State SenateNew Jersey State SenateNew York State SenateVermont State SenateVermont State SenateNew Hampshire State SenateMaine State SenateWest Virginia State SenateVirginia State SenateMaryland State SenateMaryland State SenateConnecticut State SenateConnecticut State SenateDelaware State SenateDelaware State SenateRhode Island State SenateRhode Island State SenateMassachusetts State SenateNew Hampshire State SenateState Senates with Democratic majority 2010.png

Republican Senates

State senates where heading into November 2010
the Republican Party is in the majority.
Wyoming State SenateArizona State SenateMontana State SenateIdaho State SenateTexas State SenateOklahoma State SenateKansas State SenateSouth Dakota State SenateNorth Dakota State SenateMissouri State SenateGeorgia State SenateFlorida State SenateSouth Carolina State SenateTennessee State SenateIndiana State SenateOhio State SenateKentucky State SenatePennsylvania State SenateMichigan State SenateMichigan State SenateAlaska State SenateState Senates with Republican majority.png

Democratic Houses

State houses where heading into November 2010
the Democratic Party is in the majority.
Nevada State AssemblyMassachusetts House of RepresentativesColorado House of RepresentativesNew Mexico House of RepresentativesCalifornia State AssemblyOregon House of RepresentativesWashington House of RepresentativesMinnesota House of RepresentativesIowa House of RepresentativesArkansas House of RepresentativesAlabama House of RepresentativesIllinois House of RepresentativesWisconsin State AssemblyNorth Carolina House of RepresentativesIndiana House of RepresentativesOhio House of RepresentativesKentucky House of RepresentativesPennsylvania House of RepresentativesNew York State AssemblyVermont House of RepresentativesVermont House of RepresentativesNew Hampshire House of RepresentativesMaine House of RepresentativesWest Virginia State LegislatureMaryland House of DelegatesMaryland House of DelegatesConnecticut House of RepresentativesConnecticut House of RepresentativesDelaware State LegislatureDelaware House of RepresentativesRhode Island House of RepresentativesRhode Island House of RepresentativesMassachusetts House of RepresentativesNew Hampshire House of RepresentativesMichigan House of RepresentativesMichigan House of RepresentativesState Houses with Democratic majority.png

Republican Houses

State houses where heading into the November 2, 2010 elections
the Republican Party is in the majority.
Wyoming House of RepresentativesArizona House of RepresentativesIdaho House of RepresentativesTexas House of RepresentativesOklahoma House of RepresentativesKansas House of RepresentativesSouth Dakota House of RepresentativesNorth Dakota House of RepresentativesMissouri House of RepresentativesLouisiana House of RepresentativesGeorgia House of RepresentativesFlorida House of RepresentativesSouth Carolina House of RepresentativesTennessee House of RepresentativesVirginia State AssemblyAlaska House of RepresentativesState Houses with Republican majority.png

            

After election

Partisan Legislatures

Partisan dominance in state legislatures
after the 2010 state legislative elections
Nevada State LegislatureMassachusetts General CourtColorado General AssemblyNew Mexico State LegislatureWyoming State LegislatureArizona State LegislatureMontana State LegislatureCalifornia State LegislatureOregon State LegislatureWashington State LegislatureIdaho State LegislatureTexas State LegislatureOklahoma State LegislatureKansas State LegislatureNebraska State Senate (Unicameral)South Dakota State LegislatureNorth Dakota State LegislatureMinnesota State LegislatureIowa State LegislatureMissouri State LegislatureArkansas State LegislatureLouisiana State LegislatureMississippi State LegislatureAlabama State LegislatureGeorgia State LegislatureFlorida State LegislatureSouth Carolina State LegislatureIllinois State LegislatureWisconsin State LegislatureTennessee State LegislatureNorth Carolina State LegislatureIndiana State LegislatureOhio State LegislatureKentucky State LegislaturePennsylvania State LegislatureNew Jersey State LegislatureNew York State LegislatureVermont State LegislatureVermont State LegislatureNew Hampshire State LegislatureMaine State LegislatureWest Virginia State LegislatureVirginia State LegislatureMaryland State LegislatureMaryland State LegislatureConnecticut State LegislatureConnecticut State LegislatureDelaware State LegislatureDelaware State LegislatureRhode Island State LegislatureRhode Island State LegislatureMassachusetts State LegislatureNew Hampshire State LegislatureMichigan State LegislatureMichigan State LegislatureAlaska State LegislaturePartisan breakdown state legislatures postelec.png

Partisan Senates

Partisan dominance in state senates
after the 2010 state legislative elections
Nevada State SenateMassachusetts State SenateColorado State SenateNew Mexico State SenateWyoming State SenateArizona State SenateMontana State SenateCalifornia State SenateOregon State SenateWashington State SenateIdaho State SenateTexas State SenateOklahoma State SenateKansas State SenateSouth Dakota State SenateNorth Dakota State SenateMinnesota State SenateIowa State SenateMissouri State SenateArkansas State SenateLouisiana State SenateMississippi State SenateAlabama State SenateGeorgia State SenateFlorida State SenateSouth Carolina State SenateIllinois State SenateWisconsin State AssemblyTennessee State SenateNorth Carolina State SenateIndiana State SenateOhio State SenateKentucky State SenatePennsylvania State SenateNew Jersey State SenateNew York State SenateVermont State SenateVermont State SenateNew Hampshire State SenateMaine State SenateWest Virginia State SenateVirginia State SenateNebraska State Senate (Unicameral)Maryland State SenateMaryland State SenateConnecticut State SenateConnecticut State SenateDelaware State SenateDelaware State SenateRhode Island State SenateRhode Island State SenateMassachusetts State SenateNew Hampshire State SenateMichigan State SenateMichigan State SenateAlaska State SenateSenates Combined,postelec.png

Partisan Houses

Partisan dominance in state houses
after the 2010 state legislative elections
Nevada State AssemblyMassachusetts House of RepresentativesColorado House of RepresentativesNew Mexico House of RepresentativesWyoming House of RepresentativesArizona House of RepresentativesMontana House of RepresentativesCalifornia State AssemblyOregon House of RepresentativesWashington House of RepresentativesIdaho House of RepresentativesTexas House of RepresentativesOklahoma House of RepresentativesKansas House of RepresentativesSouth Dakota House of RepresentativesNorth Dakota House of RepresentativesMinnesota House of RepresentativesIowa House of RepresentativesMissouri House of RepresentativesArkansas House of RepresentativesLouisiana House of RepresentativesMississippi House of RepresentativesAlabama House of RepresentativesGeorgia House of RepresentativesFlorida House of RepresentativesSouth Carolina House of RepresentativesIllinois House of RepresentativesWisconsin State AssemblyTennessee House of RepresentativesNorth Carolina House of RepresentativesIndiana House of RepresentativesOhio House of RepresentativesKentucky House of RepresentativesPennsylvania House of RepresentativesNew Jersey State AssemblyNew York State AssemblyVermont House of RepresentativesVermont House of RepresentativesNew Hampshire House of RepresentativesMaine House of RepresentativesWest Virginia House of DelegatesVirginia State AssemblyMaryland House of DelegatesMaryland House of DelegatesConnecticut House of RepresentativesConnecticut House of RepresentativesDelaware House of RepresentativesDelaware House of RepresentativesRhode Island House of RepresentativesRhode Island House of RepresentativesMassachusetts House of RepresentativesNew Hampshire House of RepresentativesMichigan House of RepresentativesMichigan House of RepresentativesAlaska House of RepresentativesHouses Combined, NE, postelec.png

Both Chambers Democrat

State legislatures after the November 2010 elections where
the Democratic Party is in the majority in both chambers
Nevada State LegislatureMassachusetts General CourtColorado General AssemblyNew Mexico State LegislatureWyoming State LegislatureArizona State LegislatureMontana State LegislatureCalifornia State LegislatureOregon State LegislatureWashington State LegislatureIdaho State LegislatureTexas State LegislatureOklahoma State LegislatureKansas State LegislatureNebraska State Senate (Unicameral)South Dakota State LegislatureNorth Dakota State LegislatureMinnesota State LegislatureIowa State LegislatureMissouri State LegislatureArkansas State LegislatureLouisiana State LegislatureMississippi State LegislatureAlabama State LegislatureGeorgia State LegislatureFlorida State LegislatureSouth Carolina State LegislatureIllinois State LegislatureWisconsin State LegislatureTennessee State LegislatureNorth Carolina State LegislatureIndiana State LegislatureOhio State LegislatureKentucky State LegislaturePennsylvania State LegislatureNew Jersey State LegislatureNew York State LegislatureVermont State LegislatureVermont State LegislatureNew Hampshire State LegislatureMaine State LegislatureWest Virginia State LegislatureVirginia State LegislatureMaryland State LegislatureMaryland State LegislatureConnecticut State LegislatureConnecticut State LegislatureDelaware State LegislatureDelaware State LegislatureRhode Island State LegislatureRhode Island State LegislatureMassachusetts State LegislatureNew Hampshire State LegislatureMichigan State LegislatureMichigan State LegislatureAlaska State LegislatureDemocratic control of both chamberspostelec.png

Both Chambers Republican

State legislatures after the November 2010 elections where
the Republican Party is in the majority in both chambers
Nevada State LegislatureMassachusetts General CourtColorado General AssemblyNew Mexico State LegislatureWyoming State LegislatureArizona State LegislatureMontana State LegislatureCalifornia State LegislatureOregon State LegislatureWashington State LegislatureIdaho State LegislatureTexas State LegislatureOklahoma State LegislatureKansas State LegislatureNebraska State Senate (Unicameral)South Dakota State LegislatureNorth Dakota State LegislatureMinnesota State LegislatureIowa State LegislatureMissouri State LegislatureArkansas State LegislatureLouisiana State LegislatureMississippi State LegislatureAlabama State LegislatureGeorgia State LegislatureFlorida State LegislatureSouth Carolina State LegislatureIllinois State LegislatureWisconsin State LegislatureTennessee State LegislatureNorth Carolina State LegislatureIndiana State LegislatureOhio State LegislatureKentucky State LegislaturePennsylvania State LegislatureNew Jersey State LegislatureNew York State LegislatureVermont State LegislatureVermont State LegislatureNew Hampshire State LegislatureMaine State LegislatureWest Virginia State LegislatureVirginia State LegislatureMaryland State LegislatureMaryland State LegislatureConnecticut State LegislatureConnecticut State LegislatureDelaware State LegislatureDelaware State LegislatureRhode Island State LegislatureRhode Island State LegislatureMassachusetts State LegislatureNew Hampshire State LegislatureMichigan State LegislatureMichigan State LegislatureAlaska State LegislatureRepublican control of both chamberspostelec.png

Democratic Senates

State senates after the November 2010 election
where the Democratic Party is in the majority.
Nevada State SenateMassachusetts State SenateColorado State SenateNew Mexico State SenateCalifornia State SenateOregon State SenateWashington State SenateMinnesota State SenateIowa State SenateArkansas State SenateLouisiana State SenateMississippi State SenateAlabama State SenateIllinois State SenateWisconsin State SenateNorth Carolina State SenateNew Jersey State SenateNew York State SenateVermont State SenateVermont State SenateNew Hampshire State SenateMaine State SenateWest Virginia State SenateVirginia State SenateMaryland State SenateMaryland State SenateConnecticut State SenateConnecticut State SenateDelaware State SenateDelaware State SenateRhode Island State SenateRhode Island State SenateMassachusetts State SenateNew Hampshire State SenateState Senates with Democratic majoritypostelec.png

Republican Senates

State senates after the November 2010 election
where the Republican Party is in the majority.
Wyoming State SenateArizona State SenateMontana State SenateIdaho State SenateTexas State SenateOklahoma State SenateKansas State SenateSouth Dakota State SenateNorth Dakota State SenateMissouri State SenateGeorgia State SenateFlorida State SenateSouth Carolina State SenateTennessee State SenateIndiana State SenateOhio State SenateKentucky State SenatePennsylvania State SenateMichigan State SenateMichigan State SenateAlaska State SenateState Senates with Republican majoritypostelection.png

Democratic Houses

State houses where after the November 2010 election
the Democratic Party is in the majority.
Nevada State AssemblyMassachusetts House of RepresentativesColorado House of RepresentativesNew Mexico House of RepresentativesCalifornia State AssemblyOregon House of RepresentativesWashington House of RepresentativesMinnesota House of RepresentativesIowa House of RepresentativesArkansas House of RepresentativesAlabama House of RepresentativesIllinois House of RepresentativesWisconsin State AssemblyNorth Carolina House of RepresentativesIndiana House of RepresentativesOhio House of RepresentativesKentucky House of RepresentativesPennsylvania House of RepresentativesNew York State AssemblyVermont House of RepresentativesVermont House of RepresentativesNew Hampshire House of RepresentativesMaine House of RepresentativesWest Virginia State LegislatureMaryland House of DelegatesMaryland House of DelegatesConnecticut House of RepresentativesConnecticut House of RepresentativesDelaware State LegislatureDelaware House of RepresentativesRhode Island House of RepresentativesRhode Island House of RepresentativesMassachusetts House of RepresentativesNew Hampshire House of RepresentativesMichigan House of RepresentativesMichigan House of RepresentativesState Houses with Democratic majoritypostelec.png

Republican Houses

State houses where after the November 2, 2010 elections
the Republican Party is in the majority.
Wyoming House of RepresentativesArizona House of RepresentativesIdaho House of RepresentativesTexas House of RepresentativesOklahoma House of RepresentativesKansas House of RepresentativesSouth Dakota House of RepresentativesNorth Dakota House of RepresentativesMissouri House of RepresentativesLouisiana House of RepresentativesGeorgia House of RepresentativesFlorida House of RepresentativesSouth Carolina House of RepresentativesTennessee House of RepresentativesVirginia State AssemblyAlaska House of RepresentativesState Houses with Republican majoritypost election.png

Trifectas

See also: Republican and Democratic state government trifectas

Pre- and post-election comparison

The table below displays total trifectas before and after the election.

Trifectas
Party Before election Congressional seats After election Congressional seats Gain/loss states Gain/loss congressional seats
Democratic
16 131 11 115 -5 -16
Republican
8 66 20 198 +12 +132
State Governor State Senate State House Trifecta? # of U.S. Congressional seats
Before 2010 census After 2010 census[16]
Alabama 7 7
Alaska 1 1
Arizona 8 9 (+1)
Arkansas 4 4
California 53 53
Colorado 7 7
Connecticut 5 5
Delaware 1 1
Florida 25 27 (+2)
Georgia 13 14 (+1)
Hawaii 2 2
Idaho 2 2
Illinois 19 18 (-1)
Indiana 9 9
Iowa 5 4 (-1)
Kansas 4 4
Kentucky 6 6
Louisiana 7 6 (-1)
Maine 2 2
Maryland 8 8
Massachusetts 10 9 (-1)
Michigan 15 14 (-1)
Minnesota 8 8
Mississippi 4 4
Missouri 9 8 (-1)
Montana 1 1
Nebraska Nonpartisan NA 3 3
Nevada 3 4 (+1)
New Hampshire 2 2
New Jersey 13 12 (-1)
New Mexico 3 3
New York 29 27 (-2)
North Carolina 13 13
North Dakota 1 1
Ohio 18 16 (-2)
Oklahoma 5 5
Oregon 5 5
Pennsylvania 19 18 (-1)
Rhode Island 2 2
South Carolina 6 7 (+1)
South Dakota 1 1
Tennessee 9 9
Texas 32 36 (+4)
Utah 3 4 (+1)
Vermont 1 1
Virginia 11 11
Washington 9 10 (+1)
West Virginia 3 3
Wisconsin 8 8
Wyoming 1 1


In addition to the Trifectas in some states above, the following states have veto-proof majorities, allowing the legislature to overrule a governor who is the opposite party.

Election analysis

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2010 Legislative Election Results
State-by-State Analysis
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Other 2010 Election information
State legislative election results • Statewide elections, 2010 • State Senate elections • State House elections

Incumbents who were defeated in the general election

Across the nation, only 15 Republican incumbents were defeated while 492 Democratic incumbents were defeated. In total, 507 (10.4%) of the 4,872 incumbents running in the general election were defeated. The following is a breakdown of incumbent defeats in the 2010 general election:

The following is the breakdown of incumbents who lost.

Incumbents defeated in 2010 legislative elections
Party Senate House Total
Democratic 89 403 492
Republican 5 10 15
TOTALS 94 413 507

Total new legislators elected

In total, 1,733 (28.3%) new legislators were elected in 2010. Of these 1,733, 1,266 (73.1%) are Republicans and 467 (26.9%) are Democrats.

The following is the breakdown of new legislators.

New Legislators after the 2010 legislative elections
Party Senate House Total
Democratic 110 357 467
Republican 278 988 1,266
TOTALS 388 1,345 1,733

Winners of Open Seats

Open seats contests made up 1,178 (19.2%) of the 6,125 seats on November 2. Of these 1,178 open seats, Republicans won 729 (61.9%) while Democrats won 449 (38.1%). Going into the election, the number of open seats formerly held by each party was quite similar. Estimates prior to the election suggest that approximately 52% of the open seats were previously held by Republicans and 48% were held by Democrats.

The following is the breakdown of open seat winners.

Open Seat Winners in 2010 legislative elections
Party Senate House Total
Democratic 108 341 449
Republican 191 538 729
TOTALS 299 879 1,178

Impact on legislative majorities

See also: Partisan balance of state legislatures

Heading into the November 2 elections, the Democratic Party held a commanding lead in state houses in the 88 legislative chambers that held elections in 2010. 52 of the 88 chambers, or nearly 60% of them, had a Democratic majority, while only 33 of them had a Republican majority. (Two chambers had an exactly equal number of Democrats and Republicans and one is officially nonpartisan.) The following is a partisan breakdown of state legislatures prior to the November 2 election:

Partisan breakdown before the November 2010 Election
Legislative chamber Democratic Party Republican Party Purple.png Grey.png
State senates 23 18 1 1
State houses 29 15 1 -
Totals: 52 33 2 1

As a result of the election, Republicans picked up 20 legislative chambers while Democrats lost 20. Republicans won 53 total chambers on November 2, while Democrats won only 32. The following is a partisan breakdown of state legislatures after the November 2 election:

Partisan breakdown after the November 2010 Election
Legislative chamber Democratic Party Republican Party Purple.png Grey.png
State senates 16 25 1 1
State houses 16 28 1 0
Totals: 32 53 2 1

Another way to examine the data is to gauge how many chambers had gains for the Democratic Party versus the Republican Party. Using this variable, the wide-sweeping Republican victory is further amplified. Democrats bolstered their majorities in only 7 of 88 (7.96%) state chambers. These legislatures are as follows:

State legislative chambers where Democrats gained seats on November 2
State Chamber Number of seats gained by Democrats
California Assembly + 2
Delaware House + 2
Hawaii Senate + 1
Maryland Senate + 2
Massachusetts Senate + 1
Missouri Senate + 1
West Virginia Senate + 1

In 7 chambers, the GOP kept their current number of seats. In one chamber, the California State Assembly, both major parties gained seats by filling 2 vacancies and defeating an incumbent independent. Overall, the Republican Party picked up legislative seats in 75 (85.2%) of the 88 legislative chambers that held elections on November 2.

Impact on State Politics

Along with the GOP capture of the U.S. House of Representatives, state Republicans gained trifectas (control of the governorship, house, and senate) in 12 states. The following is a breakdown of trifectas across the nation, before and after the 2010 election:

Trifectas before and after the 2010 Election
Party Before election U.S. House seats After election U.S. House seats Gain/loss states Gain/loss congressional seats
Democratic
16 131 11 115 -5 -16
Republican
8 66 20 198 +12 +132

Before the election, 131 U.S House seats were in states with Democratic trifectas, while 66 districts were in states with Republican trifectas. After the election, Republicans trifectas control redistricting for 198 U.S. House seats while Democrats control only 115. Additionally, California, the strongest Democratic trifecta with 53 U.S. House representatives, passed propositions that take redistricting power away from state government.

For more detailed analysis of the results, such as incumbents who were defeated, see the page below.

State legislative elections results analysis, 2010

Footnotes

  1. ↑ Connecticut Senate Districts 4, 22, 23, and 24 are all too close to call. The current partisan count reflects the results without those districts.
  2. ↑ In Maine, one independent was elected to the Senate
  3. ↑ Nebraska is a nonpartisan senate.
  4. ↑ New York is too close to call. There are three districts still undecided, but the chamber is expected to either lean Republican or split at 31 and 31.
  5. ↑ As of November 3, one Senate race in Oregon is too close to call. However, the Republican is in the lead, and if the votes stay the same, the senate will be evenly split.
  6. ↑ 5 seats are still too close to call, as of November 3
  7. ↑ Nebraska is a nonpartisan senate.
  8. ↑ One district in Vermont is still too close to call.
  9. ↑ 9.0 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 Washington Post, "GOP Seizes control of key state legislatures" November 3, 2010
  10. ↑ Republicans win majority in Indiana House
  11. ↑ Portland Press Herald election results
  12. ↑ GOP Takes Over Minn. State Legislature
  13. ↑ GOP Takes Over Minn. State Legislature
  14. ↑ GOP regains legislature
  15. ↑ GOP regains legislature
  16. ↑ Official 2010 Apportionment from Census


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