Geoff Pallay/2010 state legislative elections review

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Geoff Pallay






Geoff Pallay, Editor and Senior Analyst
State Legislative News Desk
Ballotpedia






Contact:
geoff.pallay@ballotpedia.org
Biography:
Geoff Pallay


Partisan breakdown

Before the election

Heading into the November 2 elections, the Democratic Party holds 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 non-partisan.)

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

Note: As of November 3, two chambers are too close to call. The Oregon State Senate and New York State Senate are still toss ups.

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 only won 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

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


  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.

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 is 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[1] 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[2] 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[3] 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


  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.

Total state legislators by party before and after the election

Partisan breakdown of state legislators
Before November 2010 election After November 2010 election
Party Senators Representatives Total state legislators Senators Representatives Total state legislators Gain/loss legislators
Democratic
1,020 3,006 4,026 890 2,490 3,386 -640
Republican
892 2,351 3,243 1,020 2,889 3,909 +666
Non-partisan
49 0 49 49 0 49 0
Independent
4 23 27
See also: State legislative elections results, 2010

Note: States that are considered "safe" for one party or the other are filled in for the post-election analysis.

Majority party before November 2010 Majority party after November 2010
State State Senate State House State Senate State House
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 N/A N/A
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


See also: Republican and Democratic state government trifectas

Pre- and post-election comparison

The table below displays total trifectas before and after the election. It is current with two possible trifectas remaining.

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[4]
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 Non-partisan 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.

Veto-proof majority and both chambers but not governor:

  • Missouri (Republican)
  • Montana (Republican)
  • New Hampshire (Republican)
  • Rhode Island (Democratic)


The two tables below display overall breakdowns of states with veto-proof majorities.

States With Veto-Proof Majorities
Before Election After Election
Party Senate House Total Chambers Senate House Total Chambers Gain/loss veto-proof majorities
Democratic
10 10 20 7 5 12 -8
Republican
6 3 9 13 10 23 +14
Chambers With Veto-Proof Majorities
Before Election After Election
State
Democratic
Republican
Democratic
Republican
Governor Veto-proof chambers override governor
Arizona Senate Approveda
Arizona House Approveda Approveda
Arkansas Senate Approveda
Arkansas House Approveda
California Assembly Approveda
Connecticut Senate Approveda
Connecticut House Approveda
Delaware Senate Approveda Approveda
Florida Senate Approveda Approveda
Florida House Approveda
Hawaii Senate Approveda Approveda
Hawaii House Approveda Approveda
Idaho Senate Approveda Approveda
Idaho House Approveda Approveda
Indiana Senate Approveda
Kansas Senate Approveda Approveda
Kansas House Approveda
Maryland Senate Approveda Approveda
Maryland House Approveda Approveda
Massachusetts Senate Approveda Approveda
Massachusetts House Approveda Approveda
Minnesota Senate Approveda
Missouri Senate Approveda Approveda
Montana House Approveda
Nevada Assembly Approveda
New Hampshire Senate Approveda Approveda Republican legislature
New Hampshire House Approveda Approveda Republican legislature
New York Assembly Approveda
North Dakota Senate Approveda
North Dakota House Approveda
Ohio Senate Approveda
Oklahoma Senate Approveda
Rhode Island Senate Approveda Approveda Independent
Rhode Island House Approveda Approveda Independent
South Dakota Senate Approveda
South Dakota House Approveda
Utah Senate Approveda Approveda
Utah House Approveda Approveda
Vermont Senate Approveda Approveda
West Virginia Senate Approveda Approveda
West Virginia House Approveda
Wyoming Senate Approveda Approveda
Wyoming House Approveda Approveda
TOTALS
20
9
12
23

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 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 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

A brief look at Tuesday's election results

  • Republicans on Tuesday won at least 666 seats than they previously had
  • Combined with Democrats dropping at least 640 seats, Republicans have an edge of 523 seats for the whole legislature
  • This is the most seats since 1928
  • Among Houses that held an election, Republicans won 2,698 seats while Democrats won 2,280. Thus, in state houses with an election on Tuesday, Republicans won 418 more seats.
  • Among Senates that held an election, Republicans won 764 seats while Democrats won 666. Thus, in state senates with an election on Tuesday, Republicans won 98 more seats.
  • Oregon Senate is interesting. There were 12 D seats up and 4 R seats. So even though Democrats won 9 seats to Republicans 6 on election night, Republicans had more incumbents not up for election, which is why the Senate may split at 15-15.
  • New Hampshire had the greatest percentage of Republican wins, with a 37.50% increase in the Senate and a 31.79% increase in the House. Other states with big Republican victories, and concurrently, large Democratic losses:
  • Democrats performed best in the Delaware house, with a 4.88% increase in their majority. However, there were no states where Democrats picked up seats in both chambers. Other Democratic increases:


  • Before the election, Democrats had a +783 advantage in number of total legislators
  • After the election, Republicans now have a +523 lead in number of total legislators
  • Thus, Republicans pulled off a swing of 1,306 seats.


  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.


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