Oklahoma 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 Oklahoma State Senate.

Elections

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

2026

See also: Oklahoma State Senate elections, 2026

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

2024

See also: Oklahoma State Senate elections, 2024

Elections for the Oklahoma State Senate took place in 2024. The general election was on November 5, 2024. The primary was June 18, 2024, and a primary runoff was August 27, 2024. The filing deadline was April 5, 2024.

In the 2024 elections, Republicans maintained their majority in the Oklahoma State Senate.

Oklahoma State Senate
Party		As of November 5, 2024	After November 6, 2024
	Democratic Party	8	8
	Republican Party	39	39
	Vacancy	1	1
Total		48	48

2022

See also: Oklahoma State Senate elections, 2022

Elections for the Oklahoma State Senate took place in 2022. The general election was on November 8, 2022. A primary was scheduled for June 28, 2022, and a primary runoff was scheduled for August 23, 2022. The filing deadline was April 15, 2022.

In the 2022 elections, Republicans increased their majority in the Oklahoma State Senate from 39-9 to 40-8.

Oklahoma State Senate
Party		As of November 8, 2022	After November 9, 2022
	Democratic Party	9	8
	Republican Party	39	40
Total		48	48

2020

See also: Oklahoma State Senate elections, 2020

Elections for the office of Oklahoma State Senate took place in 2020. The general election was held on November 3, 2020. A primary was scheduled for June 30, 2020, and a primary runoff was scheduled for August 25, 2020. The filing deadline was April 10, 2020.

After the November 2020 election, Republicans maintained control of the Oklahoma State Senate but did not gain any seats.

Oklahoma State Senate
Party		As of November 3, 2020	After November 4, 2020
	Democratic Party	9	9
	Republican Party	39	39
Total		48	48

2018

See also: Oklahoma State Senate elections, 2018

Elections for the Oklahoma State Senate took place in 2018. A primary election took place on June 26, 2018, and a primary runoff took place on August 28, 2018. Democrats use a hybrid primary and Republicans use a closed primary. The general election was held on November 6, 2018. The candidate filing deadline was April 13, 2018.

In the 2018 elections, Republicans increased their majority in the Oklahoma State Senate from 38-8 to 39-9.

Oklahoma State Senate
Party		As of November 6, 2018	After November 7, 2018
	Democratic Party	8	9
	Republican Party	38	39
	Vacancy	2	0
Total		48	48

2016

See also: Oklahoma State Senate elections, 2016

Elections for the Oklahoma State Senate took place in 2016. The primary election took place on June 28, 2016, and the general election was held on November 8, 2016. The candidate filing deadline was April 15, 2016. A total of 25 seats out of the 48 seats in the Oklahoma State Senate were up for election in 2016.

Heading into the election, Republicans held a 39-9 majority. Republicans gained three seats in the election, giving them a 42-6 majority.

Oklahoma State Senate
Party		As of November 7, 2016	After November 8, 2016
	Democratic Party	9	6
	Republican Party	39	42
Total		48	48

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

2014 See also: Oklahoma State Senate elections, 2014 Elections for the Oklahoma State Senate took place in 2014. A primary election took place on June 24, 2014. The general election was held on November 4, 2014. The signature filing deadline for candidates wishing to run in this election was April 11, 2014. Heading into the election, Republicans held a 36-12 majority. Republicans gained four seats in the election, giving them a 40-8 majority. Oklahoma State Senate Party As of November 3, 2014 After November 4, 2014      Democratic Party 12 8      Republican Party 36 40 Total 48 48 2012 See also: Oklahoma State Senate elections, 2012 Elections for the office of Oklahoma State Senate took place in 2012. The primary election was held on June 26, 2012, and the general election was held on November 6, 2012. The candidate filing deadline was April 13, 2012. A total of 24 seats were up for election. Heading into the election, Republicans held a 32-16 majority. Republicans gained four seats in the election, giving them a 36-12 majority. Oklahoma State Senate Party As of November 5, 2012 After the 2012 Election      Democratic Party 16 12      Republican Party 32 36 Total 48 48 During the 2012 election, the total value of contributions to the 67 Senate candidates was $6,611,716. The top 10 contributors were: 2012 Donors, Oklahoma State Senate Donor Amount Chickasaw Nation $91,300 Choctaw Nation of Oklahoma $55,000 Oklahoma Independent Petroleum Association $50,350 Oklahoma Society of Anesthesiologists $49,500 Oklahoma Medical Association $47,500 Devon Energy $46,500 Center for Legislative Excellence $46,500 Chesapeake Energy $45,449 Associated General Contractors of Oklahoma $45,300 Oklahoma State AFL-CIO $44,000 The following table details the 10 districts with the smallest margin of victory in the November 6 general election. 2012 Margin of Victory, Oklahoma State Senate District Winner Margin of Victory Total Votes Top Opponent District 7 Larry Boggs 7.7% 26,388 J. Paul Lane District 3 Wayne Shaw 8.5% 24,715 Jim Bynum District 39 Brian Crain 13.8% 33,416 Julie Hall District 15 Rob Standridge 23.1% 30,530 Claudia Griffith District 5 Jerry Ellis 33.1% 23,930 Howard Houchen District 31 Don Barrington 35.6% 23,313 Tony Terrill District 9 Earl Garrison 39.4% 24,667 Barney S Taylor District 43 Corey Brooks 41.4% 29,731 Mike Fullerton District 13 Susan Paddack 51.7% 26,161 Fred E Smith District 41 Clark Jolley 58.8% 34,529 Richard Prawdzienski 2010 See also: Oklahoma State Senate elections, 2010 Elections for the office of Oklahoma State Senate took place in 2010. The primary election was held on July 27, 2010, and the general election was held on November 2, 2010. The candidate filing deadline was June 9, 2010. A total of 24 seats were up for election. Heading into the election, Republicans held a 26-22 majority. Republicans gained six seats in the election, giving them a 32-16 majority. Oklahoma State Senate Party As of November 1, 2010 After the 2010 Election      Democratic Party 22 16      Republican Party 26 32 Total 48 48 During the 2010 election, the total value of contributions to the 54 Senate candidates was $7,416,467. The top 10 contributors were: 2010 Donors, Oklahoma State Senate Donor Amount Brinkley, Rick $114,000 Allen, Mark & Nikki $105,155 Choctaw Nation of Oklahoma $96,500 Allen, Mark Dean $92,186 Ivester, Thomas $90,000 Chickasaw Nation $83,250 Chesapeake Energy $67,500 Oklahoma Independent Petroleum Association $66,500 Oklahoma Public Employees Association $66,000 Working Oklahomans Alliance $50,000 2008 See also: Oklahoma State Senate elections, 2008 Elections for the office of Oklahoma State Senate consisted of a primary election on July 29, 2008, and a general election on November 4, 2008. A total of 24 seats were up for election. During the 2008 election, the total contributions to Senate candidates amounted to $7,974,022. The top 10 contributors were: 2008 Donors, Oklahoma State Senate Donor Amount Adelson, Thomas (Tom) $556,500 Lerblance, Richard C $272,465 Sherrill, Kenneth Wayne $180,000 Wilson, Jim $120,969 Chesapeake Energy $103,500 Chickasaw Nation $73,250 Oklahoma Independent Petroleum Association (Wildcatters) $67,500 McClendon, Aubrey K $67,500 Cherokee $59,500 Loveless, Kyle D $59,205 2006 See also: Oklahoma State Senate elections, 2006 Elections for the office of Oklahoma State Senate consisted of a primary election on July 25, 2006, and a general election on November 7, 2006. A total of 24 seats were up for election. During the 2006 election, the total value of contributions to the 59 Senate candidates was $8,228,353. The top 10 contributors were: 2006 Donors, Oklahoma State Senate Donor Amount Adelson, Thomas (Tom) $288,700 Potts, Patricia J & Ray H $190,960 Ivester, Thomas S $170,000 Chesapeake Energy $113,000 Chickasaw Nation $95,650 Walters, Wayne Allen $92,200 Oklahoma Independent Petroleum Association $90,500 Wilson, Jim $77,043 Cherokee Nation $69,500 Oklahoma Trial Lawyers Association $66,000 2004 See also: Oklahoma State Senate elections, 2004 Elections for the office of Oklahoma State Senate consisted of a primary election on July 27, 2004, and a general election on November 2, 2004. A total of 24 seats were up for election. During the 2004 election, the total value of contributions to the 87 Senate candidates was $6,997,108. The top 10 contributors were: 2004 Donors, Oklahoma State Senate Donor Amount Adelson, Thomas (Tom) $281,000 Wilkerson, Mike $188,316 Gilpin, Timothy S $100,900 Gilpin, Timothy S $100,500 Oklahoma Trial Lawyers Association $98,350 Choctaw Nation of Oklahoma $88,700 Center for Legislative Excellence $73,000 Wilson, Jim $67,584 Chesapeake Energy $64,500 Chickasaw Nation $63,550 2002 See also: Oklahoma State Senate elections, 2002 Elections for the office of Oklahoma State Senate consisted of a primary election on September 17, 2002, and a general election on November 5, 2002. A total of 24 seats were up for election. During the 2002 election, the total value of contributions to the 52 Senate candidates was $4,170,343. The top 10 contributors were: 2002 Donors, Oklahoma State Senate Donor Amount Harry, Steve $155,000 Walker, James E $63,796 Branan III, Clifford B $60,052 Boatner, Roy A $51,624 Oklahoma Independent Petroleum Association $47,600 Coates Jr, Harry Edward $45,634 Chesapeake Energy $45,500 Oklahoma Republican Senatorial Cmte $40,870 Oklahoma Trial Lawyers Association $38,250 Potts, Patricia J & Ray H $35,100 2000 See also: Oklahoma State Senate elections, 2000 Elections for the office of Oklahoma State Senate consisted of a primary election on August 22, 2000, and a general election on November 7, 2000. A total of 17 seats were up for election. During the 2000 election, the total value of contributions to the 52 Senate candidates was $2,934,646. The top 10 contributors were: 2000 Donors, Oklahoma State Senate Donor Amount Oklahoma Republican Senatorial Cmte $53,000 Democrats of the Oklahoma State Senate $41,025 Working Oklahomans Alliance $38,000 Oklahoma Republican Party $36,426 Oklahoma State AFL-CIO $33,200 Chickasaw Nation $31,700 House Republican Pac $30,000 Association of Oklahoma General Contractors $20,700 Meinders, Herman $20,000 Transport Workers Union $18,500

Historical party control

Republicans won control of the Oklahoma State Senate in 2008. In 2024, they won a 40-8 majority.

The table below shows the partisan history of the Oklahoma 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.

Oklahoma 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	37	35	33	33	30	28	26	24	22	16	12	8	6	9	9	8	8
Republicans	11	13	15	15	18	20	22	24	26	32	36	40	42	39	39	40	40

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, Oklahoma was under the following types of trifecta control:

• Democratic trifecta: 1992-1994, 2003-2004
• Republican trifecta: 2011-2023
• Divided government: 1995-2002, 2005-2010

Oklahoma Party Control: 1992-2024
Five years of Democratic trifectas  •  Fourteen 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
Governor	D	D	D	R	R	R	R	R	R	R	R	D	D	D	D	D	D	D	D	R	R	R	R	R	R	R	R	R	R	R	R	R	R
Senate	D	D	D	D	D	D	D	D	D	D	D	D	D	D	D	S	S	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R	R
House	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

Footnotes

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