Indiana State Senate elections

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State Legislatures State legislative elections, 2025 Poll opening and closing times

This page displays election information for the Indiana State Senate.

Elections

Indiana state senators serve staggered, four-year terms and half of the Senate is up for election every two years. Indiana holds elections for its legislature in even years.

2026

See also: Indiana State Senate elections, 2026

Elections for the Indiana State Senate will take place in 2026. The general election is on November 3, 2026.

2024

See also: Indiana State Senate elections, 2024

Elections for the Indiana State Senate took place in 2024. The general election was on November 5, 2024. The primary was May 7, 2024. The filing deadline was February 9, 2024.

In the 2024 election, Republicans maintained their 40-10 majority.

Indiana State Senate
Party		As of November 5, 2024	After November 6, 2024
	Democratic Party	10	10
	Republican Party	40	40
Total		50	50

2022

See also: Indiana State Senate elections, 2022

Elections for the Indiana State Senate took place in 2022. The general election was on November 8, 2022. A primary was scheduled for May 3, 2022. The filing deadline was February 4, 2022.

In the 2022 election, Republicans maintained their majority and gained one seat for a partisan breakdown of 40-10.

Indiana State Senate
Party		As of November 8, 2022	After November 9, 2022
	Democratic Party	11	10
	Republican Party	39	40
Total		50	50

2020

See also: Indiana State Senate elections, 2020

Elections for the office of Indiana State Senate took place in 2020. The general election was held on November 3, 2020. A primary was scheduled for June 2, 2020. The filing deadline was February 7, 2020.

In 2020, Republicans retained their majority in the state Senate, losing one seat to the Democrats for a partisan breakdown of 39-11.

Indiana State Senate
Party		As of November 3, 2020	After November 4, 2020
	Democratic Party	10	11
	Republican Party	40	39
Total		50	50

2018

See also: Indiana State Senate elections, 2018

Elections for the Indiana State Senate took place in 2018. An open primary election took place on May 8, 2018. The general election was held on November 6, 2018. The major party candidate filing deadline was February 9, 2018. The independent and third-party candidate filing deadline was July 2, 2018.

In the 2018 elections, the Republican majority in the Indiana State Senate was reduced from 41-9 to 40-10.

Indiana State Senate
Party		As of November 6, 2018	After November 7, 2018
	Democratic Party	9	10
	Republican Party	41	40
Total		50	50

2016

See also: Indiana State Senate elections, 2016

Elections for the Indiana State Senate took place in 2016. The primary election took place on May 3, 2016, and the general election was held on November 8, 2016. The candidate filing deadline was February 5, 2016. Twenty-five of 50 total seats were up for election in 2016.

Heading into the election, Republicans held a 40-10 majority. Republicans gained one seat in the election, giving them a 41-9 majority.

Indiana State Senate
Party		As of November 7, 2016	After November 8, 2016
	Democratic Party	10	9
	Republican Party	40	41
Total		50	50

Click [show] to see election information dating back to 2000

2014 See also: Indiana State Senate elections, 2014 Elections for the Indiana State Senate took place in 2014. A primary election took place on May 6, 2014. The general election was held on November 4, 2014. The signature filing deadline for candidates wishing to run in this election was February 7, 2014. Heading into the election, Republicans held a 37-13 majority. Republicans gained three seats in the election, giving them a 40-10 majority. Indiana State Senate Party As of November 3, 2014 After November 4, 2014      Democratic Party 13 10      Republican Party 37 40 Total 50 50 2012 See also: Indiana State Senate elections, 2012 Elections for the office of Indiana State Senate took place in 2012. The primary election was held on May 8, 2012, and the general election was held on November 6, 2012. The candidate filing deadline was February 24, 2012. A total of 25 seats were up for election. Heading into the election, Republicans held a 37-13 majority. No partisan change occurred in the election. Indiana State Senate Party As of November 5, 2012 After the 2012 Election      Democratic Party 13 13      Republican Party 37 37 Total 50 50 The table below details the 10 districts with the smallest margin of victory in the November 6 general election in 2012. 2012 Margin of Victory, Indiana State Senate District Winner Margin of Victory Total Votes Top Opponent Indiana State Senate, District 36, General Election Brent Waltz 6.4% 41,302 Mary Ann Sullivan Indiana State Senate, District 5, General Election Ed Charbonneau 9.6% 54,805 Debora Porter Indiana State Senate, District 35, General Election Michael Young 13.4% 41,322 Mark Waterfill Indiana State Senate, District 8, General Election Jim Arnold 16.6% 52,806 Eric Harris Indiana State Senate, District 32, General Election Patricia Miller 18.3% 49,291 John Barnes Indiana State Senate, District 50, General Election Vaneta Becker 19.3% 52,164 Terry White Indiana State Senate, District 40, General Election Mark Stoops 20.4% 50,931 Reid Dallas Indiana State Senate, District 28, General Election Michael Crider 23.4% 55,160 Michael Adkins Indiana State Senate, District 7, General Election Brandt Hershman 27.1% 45,960 Brad Thompson Indiana State Senate, District 16, General Election David Long 30.3% 51,099 Charles Keen 2010 See also: Indiana State Senate elections, 2010 Elections for the office of Indiana State Senate took place in 2010. The primary election was held on May 4, 2010, and the general election was held on November 2, 2010. The signature filing deadline for candidates wishing to run in these elections was February 19, 2010, for Republicans and Democrats and June 30 for independents and other candidates. A total of 25 seats out of the 50 seats in the Indiana State Senate were up for election in 2010. Heading into the election, Republicans held a 33-17 majority. Republicans gained three seats in the election, giving them a 36-14 majority. Indiana State Senate Party As of November 1, 2010 After the 2010 Election      Democratic Party 17 14      Republican Party 33 36 Total 50 50 In 2010, the total amount of contributions raised in state senate elections was $4,046,473. The top donors were: 2010 Donors, Indiana State Senate Donor Amount Senate Majority Campaign Cmte of Indiana $578,408 Indiana Democratic Party $532,797 Indiana Republican Party $305,368 Indiana State Teachers Association $82,287 Indiana Trial Lawyers Association $78,200 AT&T $73,550 Hoosiers for Economic Growth $72,500 Indiana Hospital Association $56,750 Vision Concepts $56,689 Indiana Motor Truck Association $56,150 2008 See also: Indiana State Senate elections, 2008 Elections for the office of Indiana State Senate consisted of a primary election on May 6, 2008, and a general election on November 4, 2008. During the 2008 election, the total value of contributions to Senate candidates was $4,518,011. The top 10 contributors were: 2008 Donors, Indiana State Senate Donor Amount Indiana Republican Party $ Indiana Senate Majority Campaign Cmte $ Indiana Democratic Party $ Indiana Senate Democratic Cmte $ Indiana Chamber Of Commerce $ AT&T $ Mcmanus Agency - Castlewood Realty $ Indiana Hospital Association $ Swaim, Randall C Head & Lisa L $ Indiana Trial Lawyers Association $ 2006 See also: Indiana State Senate elections, 2006 Elections for the office of Indiana State Senate consisted of a primary election on May 2, 2006, and a general election on November 7, 2006. During the 2006 election, the total value of contributions to Senate candidates was $5,289,748. The top 10 contributors were: 2006 Donors, Indiana State Senate Donor Amount Indiana Democratic Party $713,906 Indiana Republican Party $277,605 Indiana State Teachers Association $130,250 AT&T $72,825 Indiana Trial Lawyers Association $69,750 Indiana Association of Realtors $66,900 Insurance Institute of Indiana $57,000 Indiana Senate Democratic Cmte $52,146 Morrow, Joseph T $50,000 Build Indiana Council $47,600 2004 See also: Indiana State Senate elections, 2004 Elections for the office of Indiana State Senate consisted of a primary election on May 4, 2004, and a general election on November 2, 2004. During the 2004 election, the total value of contributions to Senate candidates was $3,820,464. The top 10 contributors were: 2004 Donors, Indiana State Senate Donor Amount Waltz, Brent $137,000 Senate Majority Campaign Cmte of Indiana $134,207 Vi Simpson for State Senate $126,469 Indiana State Teachers Association $72,000 Indiana Senate Democratic Cmte $67,619 J Murray Clark for Governor $62,706 Luke Kenley for Governor $60,900 AT&T $52,425 Indiana Hospital Association $49,291 Insurance Institute of Indiana $46,700 2002 See also: Indiana State Senate elections, 2002 Elections for the office of Indiana State Senate consisted of a primary election on May 7, 2002, and a general election on November 5, 2002. During the 2002 election, the total value of contributions to Senate candidates was $3,243,894. The top 10 contributors were: 2002 Donors, Indiana State Senate Donor Amount Indiana State Teachers Association $215,450 Indiana Senate Democratic Cmte $117,414 Indiana Chamber Of Commerce $89,650 Senate Majority Campaign Cmte of Indiana $73,814 Indiana Association of Realtors $58,450 Insurance Institute of Indiana $49,250 Indiana State Medical Association $42,913 Friends of Indiana Hospitals $40,136 Indiana Statewide Association of Rural Electric Cooperatives $35,938 Eli Lilly & Co $33,550 2000 See also: Indiana State Senate elections, 2000 Elections for the office of Indiana State Senate consisted of a primary election on May 2, 2000, and a general election on November 7, 2000. During the 2000 election, the total value of contributions to Senate candidates was $2,124,931. The top 10 contributors were: 2000 Donors, Indiana State Senate Donor Amount Indiana Senate Democratic Caucus $139,774 Senate Majority Campaign Cmte $111,960 Indiana State Teachers Association $89,100 Brad R Hiller Senate Majority Campaign Cmte $52,457 Indiana Chamber of Commerce $36,303 Insurance Institute of Indiana $33,445 Friends of Indiana Hospitals $33,150 Indiana Statewide Association of Rural Electric Cooperatives $31,795 Build Indiana Council $29,350 Indiana Association of Realtors $24,850

Historical party control

Republicans won control of the Indiana State Senate in 1978. In 2024, they won a 40-10 majority.

The table below shows the partisan history of the Indiana Senate following every general election from 1992 to 2024. All data from 2006 or earlier comes from Michael Dubin's Party Affiliations in the State Legislatures (McFarland Press, 2007). Data after 2006 was compiled by Ballotpedia staff.

Indiana State Senate election results: 1992-2024

Year	'92	'94	'96	'98	'00	'02	'04	'06	'08	'10	'12	'14	'16	'18	'20	'22	'24
Democrats	22	20	19	19	18	18	17	17	17	14	13	10	9	10	11	10	10
Republicans	28	30	31	31	32	32	33	33	33	36	37	40	41	40	39	40	40

Before 1992

The Indiana State Senate switched partisan control 11 times from 1900 to 2022.

Trifecta history

A state government trifecta is a term that describes single-party government, when one political party holds the governor's office and has majorities in both chambers of the legislature in a state government. Between 1992 and 2023, Indiana was under the following types of trifecta control:

• Democratic trifecta: None
• Republican trifecta: 2005-2006, 2011-2023
• Divided government: 1992-2004, 2007-2010

Indiana Party Control: 1992-2025
No Democratic trifectas  •  Seventeen years of Republican trifectas
Scroll left and right on the table below to view more years.

Year	92	93	94	95	96	97	98	99	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25
Governor	D	D	D	D	D	D	D	D	D	D	D	D	D	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R
Senate	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R
House	D	D	D	R	R	D	D	D	D	D	D	D	D	R	R	D	D	D	D	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R

Footnotes

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