2018 United States House of Representatives elections in Oklahoma

← 2016 November 6, 2018 (2018-11-06) 2020 →
All 5 Oklahoma seats to theUnited States House of Representatives
Majority party Minority party   Party Republican Democratic Last election 5 0 Seats won 4 1 Seat change 1 1 Popular vote 730,531 428,452 Percentage 61.97% 36.35% Swing 7.01% 9.42%
District results County results Republican   40–50%   50–60%   60–70%   70–80%   80–90%   >90% Democratic   50–60%

The2018 United States House of Representatives elections in Oklahoma were held on November 6, 2018, to elect the fiveU.S. representatives from thestate ofOklahoma, one from each of the state's fivecongressional districts. The elections coincided withother elections to the House of Representatives,elections to theUnited States Senate and variousstate andlocal elections. Primary elections were held on June 26 and runoff elections were held two months later on August 28.^[1] The state's U.S. House delegation Republican majority changed from 5–0 to 4–1. As of 2025, this is the only time since 2010 that Democrats won any house race in Oklahoma.

Elections in Oklahoma
Federal government Presidential elections 1908 1912 1916 1920 1924 1928 1932 1936 1940 1944 1948 1952 1956 1960 1964 1968 1972 1976 1980 1984 1988 1992 1996 2000 2004 2008 2012 2016 2020 2024 Presidential primaries Democratic 1996 2000 2004 2008 2012 2016 2020 2024 Republican 2004 2008 2012 2016 2020 2024 Senate elections 1907 1909 1913 1914 1918 1920 1924 1926 1930 1932 1936 1938 1942 1944 1948 1950 1954 1956 1960 1962 1964 sp 1966 1968 1972 1974 1978 1980 1984 1986 1990 1992 1994 sp 1996 1998 2002 2004 2008 2010 2014 2014 sp 2016 2020 2022 2022 sp 2026 2028 House of Representatives elections 1907 1908 1910 1912 1914 1916 1918 1919 5th sp 1920 1922 1924 1926 1928 1930 1932 1934 1936 1937 5th sp 1938 1940 1941 7th sp 1942 1944 2nd sp 1946 1948 1950 1952 1954 1956 1958 1960 1962 1964 1966 1968 1970 1972 1974 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1st sp 6th sp 1996 1998 2000 2002 1st sp 2004 2006 2008 2010 2012 2014 2016 2018 2020 2022 2024 2026
State government State elections 1907 1908 1910 1912 1914 1916 1918 1920 1922 1924 1926 1928 1930 1932 1934 1936 1938 1940 1942 1944 1946 1948 1950 1952 1954 1956 1958 1960 1962 1964 1966 1968 1970 1972 1974 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 2018 2020 2022 2024 2026 Gubernatorial elections 1907 1910 1914 1918 1922 1926 1930 1934 1938 1942 1946 1950 1954 1958 1962 1966 1970 1974 1978 1982 1986 1990 1994 1998 2002 2006 2010 2014 2018 2022 2026 Attorney General elections 2022 Treasurer elections 2022 Senate elections 2006 2008 2010 2012 2014 2016 2018 2020 2022 2024 2026 House of Representatives elections 2006 2008 2010 2012 2014 2016 2018 2020 2022 2024 2026
Ballot measures 2004 Question 711 2016 Question 777 2018 Question 788 2020 Question 802 2023 Question 820
Norman Mayoral elections 2022 2025
Oklahoma City Mayoral elections 1911 2014 2018 2022 2026
Tulsa Municipal elections 2022 2024 Mayoral elections 2002 2006 2009 2013 2016 2020 2024
Government
v t e

Results of the 2018 United States House of Representatives elections in Oklahoma by district:^[2]

2018 Oklahoma's 1st congressional district election

← 2016 2020 →

Nominee Kevin Hern Tim Gilpin Party Republican Democratic Popular vote 150,129 103,042 Percentage 59.3% 40.7%

Precinct and county-level results

U.S. Representative before election Vacant Elected U.S. Representative Kevin Hern Republican

The 1st district is located in theTulsa metropolitan area and includesCreek,Rogers,Tulsa,Wagoner andWashington counties. Incumbent RepublicanJim Bridenstine, who had represented the district since 2013, resigned on April 23 to becomeNASAAdministrator. He was re-elected unopposed in 2016. The district had aPVI of R+17.

During his initial election in 2012, Bridenstine self-imposed a three term limit. Bridenstine confirmed that he would honor his term-limit pledge.^[3]

Bridenstine becameAdministrator ofNASA in the Donald Trump administration, and resigned on April 23.^[4]

• Kevin Hern, businessman

• Andy Coleman, veteran
• Nathan Dahm,state senator
• Tim Harris, formerTulsa CountyDistrict Attorney^[5]
• Danny Stockstill

• Dewey F. Bartlett Jr., formermayor of Tulsa^[5]
• John D. Doak,Oklahoma Insurance Commissioner^[5]
• Dan Newberry,state senator^[5]
• Everett Piper,Oklahoma Wesleyan University president^[5]
• Scott Pruitt,Administrator of the Environmental Protection Agency, formerState Attorney General and candidate for this seat in2002^[5][6]
• T.W. Shannon, formerSpeaker of the Oklahoma House of Representatives^[5]

• Tim Gilpin, attorney, and formerOklahoma State Board of Education member^[11]

• Amanda Douglas, business analyst, energy consultant and member of theCherokee Nation^[12]
• Gwendolyn Fields
• Mark Keeter
• David Hullum

• Kathy Taylor, formermayor of Tulsa^[5]

2018 Oklahoma's 2nd congressional district election

← 2016 2020 →

Nominee Markwayne Mullin Jason Nichols Party Republican Democratic Popular vote 140,451 65,021 Percentage 65.0% 30.1%

Precinct and county-level results

U.S. Representative before election Markwayne Mullin Republican Elected U.S. Representative Markwayne Mullin Republican

The 2nd district is located in the regions ofGreen Country andKiamichi Country and includes the city ofMuskogee and numerous sparsely populated counties. The incumbent was RepublicanMarkwayne Mullin, who had represented the district since 2013. He was re-elected with 71% of the vote in 2016.

Mullin had pledged to serve only three terms when he was first elected in 2012. During the 2016 campaign, Mullin stated he was reassessing his pledge, and refused to rule out running again in 2018.^[22]

• Markwayne Mullin, incumbent U.S. representative

• Brian Jackson
• Jarrin Jackson, veteran, conservative activist and candidate for the seat in2016^[23]
• John McCarthy

• Josh Brecheen,state senator^[5]
• George Faught,state representative^[5]
• Todd Hiett,Oklahoma Corporation Commissioner^[5]
• Charles McCall,state representative^[5]

• Jason Nichols, mayor ofTahlequah

• Elijah McIntosh
• Clay Padgett, retired Armylieutenant colonel and public educator

• Bill John Baker,Principal Chief of the Cherokee Nation^[5]
• Sean Burrage,Southeastern Oklahoma State University president^[5]
• Kalyn Free, former district attorney forHaskell &Pittsburg counties and candidate for this seat in2004^[5]

2018 Oklahoma's 3rd congressional district election

← 2016 2020 →

Nominee Frank Lucas Frankie Robbins Party Republican Democratic Popular vote 172,913 61,152 Percentage 73.9% 26.1%

Precinct and county-level results

U.S. Representative before election Frank Lucas Republican Elected U.S. Representative Frank Lucas Republican

The 3rd district is located inWestern Oklahoma. The largest district in Oklahoma and one of the largest in the country, it includes theOklahoma Panhandle,Ponca City and the city ofStillwater as well as theOsage Nation. Incumbent RepublicanFrank Lucas, who had represented the district since 2003 and previously represented the 6th district from 1994 to 2003, ran for re-election. He was re-elected with 78% of the vote in 2016. The district had aPVI of R+27.

• Frank Lucas, incumbent U.S. representative

• Frankie Robbins, engineer

• Murray Thibodeaux

2018 Oklahoma's 4th congressional district election

← 2016 2020 →

Nominee Tom Cole Mary Brannon Party Republican Democratic Popular vote 149,227 78,088 Percentage 63.1% 33.0%

Precinct and county-level results

U.S. Representative before election Tom Cole Republican Elected U.S. Representative Tom Cole Republican

The 4th district is located inSouth Central Oklahoma and includes the suburbs of Oklahoma City, such as the counties ofCanadian,Comanche andCleveland and numerous other sparsely populated counties. Incumbent RepublicanTom Cole, who had represented the district since 2003, ran for re-election. He was re-elected with 70% of the vote in 2016. The district had aPVI of R+20.

• Tom Cole, incumbent U.S. representative

• James Taylor

• Mary Brannon, teacher

• Fred Gipson, former Chief Counsel to theUniversity of Oklahoma
• Roxann Klutts
• Mallory Varner

• John McKenna

2018 Oklahoma's 5th congressional district election

← 2016 2020 →

Nominee Kendra Horn Steve Russell Party Democratic Republican Popular vote 121,149 117,811 Percentage 50.7% 49.3%

Precinct and county-level results Horn:     50–60%     60–70%     70–80%     80–90%     ≥90% Russell:     50–60%     60–70%     70–80%     ≥90%      No votes

U.S. Representative before election Steve Russell Republican Elected U.S. Representative Kendra Horn Democratic

The 5th district is located inCentral Oklahoma and centered around the state capital,Oklahoma City, and the surrounding areas such asEdmond andShawnee. Incumbent RepublicanSteve Russell, who had represented the district since 2015, ran for re-election. He was re-elected with 57% of the vote in 2016. The district had aPVI of R+10. DemocratKendra Horn won by a margin of 1.4% in what was considered anupset.

• Steve Russell, incumbent U.S. representative

• Gregory Dunson
• DeJuan Edwards

• Kendra Horn, attorney and communication technology firm strategic consultant^[27]

• Elysabeth Britt, human resources professional
• Tom Guild, former tenured professor at theUniversity of Central Oklahoma, nominee for the seat in2012 and candidate for this seat in2010,2014 &2016
• Leona Kelley-Leonard, chair of theSeminole County Democratic Party and candidate for this seat in2014 &2016
• Tyson Meade, singer and songwriter
• Eddie Porter, retired state planner for theOklahoma Department of Human Services

• Al McAffrey, state senator and nominee for this seat in2014 &2016

• Candidates atVote Smart
• Candidates atBallotpedia
• Campaign finance atFEC
• Campaign finance atOpenSecrets

Official campaign websites for first district candidates

• Tim Gilpin (D) for CongressArchived 2018-05-02 at theWayback Machine
• Kevin Hern (R) for Congress

Official campaign websites for second district candidates

• Markwayne Mullin (R) for Congress
• Jason Nichols (D) for CongressArchived September 7, 2017, at theWayback Machine

Official campaign websites for third district candidates

• Frank Lucas (R) for Congress
• Frankie Robbins (D) for Congress

Official campaign websites for fourth district candidates

• Mary Brannon (D) for Congress
• Tom Cole (R) for Congress

Official campaign websites for fifth district candidates

• Steve Russell (R) for Congress
• Kendra Horn (D) for CongressArchived 2019-12-02 at theWayback Machine

• 2018 Oklahoma elections
• 2018 United States House of Representatives elections
• United States House of Representatives elections in Oklahoma

• All articles with dead external links
• Articles with dead external links from September 2019
• Articles with permanently dead external links
• Articles with short description
• Short description with empty Wikidata description
• Use mdy dates from September 2023
• Pages using bar box without float left or float right
• Webarchive template wayback links