2018 United States House of Representatives elections in Oklahoma
← 2016 November 6, 2018 (2018-11-06) 2020 →
All 5 Oklahoma seats to the United States House of Representatives
  Majority party Minority party
 
Party Republican Democratic
Last election 5 0
Seats won 4 1
Seat change Decrease 1 Increase 1
Popular vote 730,531 428,452
Percentage 61.97% 36.35%
Swing Decrease 7.01% Increase 9.42%

The 2018 United States House of Representatives elections in Oklahoma were held on November 6, 2018, to elect the five U.S. representatives from the state of Oklahoma, one from each of the state's five congressional districts. The elections coincided with other elections to the House of Representatives, elections to the United States Senate and various state and local 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 2023 this is the only time since 2010 that Democrats won any house race in Oklahoma.

Results summary

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Statewide

Popular vote
Republican
 
 61.97%
Democratic
 
 36.35%
Independent
 
 1.33%
Libertarian
 
 0.35%
House seats
Republican
 
 80.00%
Democratic
 
 20.00%

District

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

District Republican Democratic Others Total Result
Votes % Votes % Votes % Votes %
District 1 150,129 59.30% 103,042 40.70% 0 0.00% 253,171 100.00% Republican hold
District 2 140,451 65.02% 65,021 30.10% 10,530 4.87% 216,002 100.00% Republican hold
District 3 172,913 73.87% 61,152 26.13% 0 0.00% 234,065 100.00% Republican hold
District 4 149,227 63.06% 78,088 33.00% 9,323 3.94% 236,638 100.00% Republican hold
District 5 117,811 49.30% 121,149 50.70% 0 0.00% 238,960 100.00% Democratic gain
Total 730,531 61.97% 428,452 36.35% 19,853 1.68% 1,178,836 100.00%

District 1

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

See also: Oklahoma's 1st congressional district

The 1st district is located in the Tulsa metropolitan area and includes Creek, Rogers, Tulsa, Wagoner and Washington counties. Incumbent Republican Jim Bridenstine, who had represented the district since 2013, resigned on April 23 to become NASA Administrator. He was re-elected unopposed in 2016. The district had a PVI of R+17.

Republican primary

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

Bridenstine became Administrator of NASA in the Donald Trump administration, and resigned on April 23.[4]

Candidates

Nominee
Eliminated in primary
Declined

Endorsements

Andy Coleman
Organizations
Nathan Dahm
Organizations
Kevin Hern
Organizations

Results

Republican primary results
Party Candidate Votes %
Republican Tim Harris 28,392 27.5
Republican Kevin Hern 23,425 22.7
Republican Andy Coleman 22,584 21.9
Republican Nathan Dahm 20,843 20.2
Republican Danny Stockstill 8,086 7.8
Total votes 103,330 100.0

Runoff

Polling
Poll source Date(s)
administered 		Sample
size 		Margin
of error 		Tim
Harris 		Kevin
Hern 		Undecided
SoonerPoll July 24–29, 2018 811 ± 3.4% 38% 26% 36%
Results
Republican primary runoff results
Party Candidate Votes %
Republican Kevin Hern 40,373 54.9
Republican Tim Harris 33,138 45.1
Total votes 73,511 100.0

Democratic primary

Candidates

Nominee
Eliminated in primary
Declined

Results

Democratic primary results
Party Candidate Votes %
Democratic Tim Gilpin 24,532 34.5
Democratic Amanda Douglas 23,045 32.4
Democratic Gwendolyn Fields 13,947 19.6
Democratic Mark Keeter 6,013 8.5
Democratic David Hullum 3,573 5.0
Total votes 71,110 100.0

Runoff results

Democratic primary runoff results
Party Candidate Votes %
Democratic Tim Gilpin 16,985 59.4
Democratic Amanda Douglas 11,620 40.6
Total votes 28,605 100.0

General election

Polling

Poll source Date(s)
administered 		Sample
size 		Margin
of error 		Kevin
Hern (R) 		Tim
Gilpin (D) 		Undecided
SoonerPoll September 15–25, 2018 306 ± 5.6% 54% 32% 14%

Predictions

Source Ranking As of
The Cook Political Report[12] Safe R November 5, 2018
Inside Elections[13] Safe R November 5, 2018
Sabato's Crystal Ball[14] Safe R November 5, 2018
RCP[15] Safe R November 5, 2018
Daily Kos[16] Safe R November 5, 2018
538[17] Safe R November 7, 2018
CNN[18] Safe R October 31, 2018
Politico[19] Safe R November 2, 2018

Results

Oklahoma's 1st congressional district, 2018
Party Candidate Votes %
Republican Kevin Hern 150,129 59.3
Democratic Tim Gilpin 103,042 40.7
Total votes 253,171 100.0
Republican hold

District 2

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

See also: Oklahoma's 2nd congressional district

The 2nd district is located in the regions of Green Country and Kiamichi Country and includes the city of Muskogee and numerous sparsely populated counties. The incumbent is Republican Markwayne Mullin, who has represented the district since 2013. He was re-elected with 71% of the vote in 2016.

Republican primary

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.[20]

Candidates

Nominee
Eliminated in primary
Declined

Endorsements

Jarrin Jackson
U.S. Senators

Results

Republican primary results
Party Candidate Votes %
Republican Markwayne Mullin (incumbent) 32,624 54.1
Republican Jarrin Jackson 15,191 25.2
Republican Brian Jackson 6,899 11.5
Republican John McCarthy 5,536 9.2
Total votes 60,250 100.0

Democratic primary

Candidates

Nominee
Eliminated in primary
Declined

Results

Democratic primary results
Party Candidate Votes %
Democratic Jason Nichols 32,549 37.9
Democratic Clay Padgett 20,796 24.2
Democratic Elijah McIntosh 16,343 19.0
Democratic Virginia Jenner 16,204 18.9
Total votes 85,892 100.0

Runoff results

Democratic primary runoff results
Party Candidate Votes %
Democratic Jason Nichols 19,548 56.8
Democratic Clay Padgett 14,845 43.2
Total votes 34,393 100.0

General election

Polling

Poll source Date(s)
administered 		Sample
size 		Margin
of error 		Markwayne
Mullin (R) 		Jason
Nichols (D) 		Richard
Castaldo (L) 		John
Foreman (I) 		Undecided
SoonerPoll September 15–25, 2018 306 ± 5.6% 46% 32% 4% 6% 12%

Predictions

Source Ranking As of
The Cook Political Report[12] Safe R November 5, 2018
Inside Elections[13] Safe R November 5, 2018
Sabato's Crystal Ball[14] Safe R November 5, 2018
RCP[15] Safe R November 5, 2018
Daily Kos[16] Safe R November 5, 2018
538[17] Safe R November 7, 2018
CNN[18] Safe R October 31, 2018
Politico[19] Safe R November 2, 2018

Results

Oklahoma's 2nd congressional district, 2018
Party Candidate Votes %
Republican Markwayne Mullin (incumbent) 140,451 65.0
Democratic Jason Nichols 65,021 30.1
Independent John Foreman 6,390 3.0
Libertarian Richard Castaldo 4,140 1.9
Total votes 216,002 100.0
Republican hold

District 3

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

See also: Oklahoma's 3rd congressional district

The 3rd district is located in Western Oklahoma. The largest district in Oklahoma and one of the largest in the country, it includes the Oklahoma Panhandle, Ponca City and the city of Stillwater as well as the Osage Nation. Incumbent Republican Frank 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 a PVI of R+27.

Republican primary

Candidates

Nominee

Democratic primary

Candidates

Nominee
Eliminated in primary

Results

Democratic primary results
Party Candidate Votes %
Democratic Frankie Robbins 38,733 64.8
Democratic Murray Thibodeaux 20,998 35.2
Total votes 59,731 100.0

General election

Polling

Poll source Date(s)
administered 		Sample
size 		Margin
of error 		Frank
Lucas (R) 		Frankie
Robbins (D) 		Undecided
SoonerPoll September 15–25, 2018 267 ± 6.0% 54% 24% 22%

Predictions

Source Ranking As of
The Cook Political Report[12] Safe R November 5, 2018
Inside Elections[13] Safe R November 5, 2018
Sabato's Crystal Ball[14] Safe R November 5, 2018
RCP[15] Safe R November 5, 2018
Daily Kos[16] Safe R November 5, 2018
538[17] Safe R November 7, 2018
CNN[18] Safe R October 31, 2018
Politico[19] Safe R November 2, 2018

Results

Oklahoma's 3rd congressional district, 2018
Party Candidate Votes %
Republican Frank Lucas (incumbent) 172,913 73.9
Democratic Frankie Robbins 61,152 26.1
Total votes 234,065 100.0
Republican hold

District 4

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

See also: Oklahoma's 4th congressional district

The 4th district is located in South Central Oklahoma and includes the suburbs of Oklahoma City, such as the counties of Canadian, Comanche and Cleveland and numerous other sparsely populated counties. Incumbent Republican Tom Cole, who had represented the district since 2003, ran for re-election. He was re-elected with 70% of the vote in 20. The district had a PVI of R+20.

Republican primary

Candidates

Nominee
Eliminated in primary

Results

Republican primary results
Party Candidate Votes %
Republican Tom Cole (incumbent) 55,891 64.7
Republican James Taylor 30,441 35.3
Total votes 86,332 100.0

Democratic primary

Candidates

Nominee
Eliminated in primary
Withdrawn

Results

Democratic primary results
Party Candidate Votes %
Democratic Mary Brannon 25,736 34.4
Democratic Fred Gipson 22,744 30.4
Democratic Mallory Varner 13,938 18.6
Democratic Roxann Klutts 12,482 16.7
Total votes 74,900 100.0

Runoff results

Democratic primary runoff results
Party Candidate Votes %
Democratic Mary Brannon 15,245 57.5
Democratic Fred Gipson 11,264 42.5
Total votes 26,509 100.0

General election

Polling

Poll source Date(s)
administered 		Sample
size 		Margin
of error 		Tom
Cole (R) 		Mary
Brannon (D) 		Rudy
Peters (I) 		Undecided
SoonerPoll September 15–25, 2018 291 ± 5.74% 58% 25% 6% 11%

Predictions

Source Ranking As of
The Cook Political Report[12] Safe R November 5, 2018
Inside Elections[13] Safe R November 5, 2018
Sabato's Crystal Ball[14] Safe R November 5, 2018
RCP[15] Safe R November 5, 2018
Daily Kos[16] Safe R November 5, 2018
538[17] Safe R November 7, 2018
CNN[18] Safe R October 31, 2018
Politico[19] Safe R November 2, 2018

Results

Oklahoma's 4th congressional district, 2018
Party Candidate Votes %
Republican Tom Cole (incumbent) 149,227 63.1
Democratic Mary Brannon 78,088 33.0
Independent Ruby Peters 9,323 3.9
Total votes 236,638 100.0
Republican hold

District 5

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

See also: Oklahoma's 5th congressional district

The 5th district is located in Central Oklahoma and centered around the state capital, Oklahoma City, and the surrounding areas such as Edmond and Shawnee. Incumbent Republican Steve 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 a PVI of R+10. Democrat Kendra Horn won by a margin of over 1% in what was considered an upset.

Republican primary

Candidates

Nominee
Eliminated in primary

Results

Republican primary results
Party Candidate Votes %
Republican Steve Russell (incumbent) 65,982 83.6
Republican Gregory Dunson 7,638 9.7
Republican DeJuan Edwards 5,284 6.7
Total votes 78,904 100.0

Democratic primary

Candidates

Nominee
Eliminated in primary
Declined

Results

Democratic primary results
Party Candidate Votes %
Democratic Kendra Horn 34,857 43.8
Democratic Tom Guild 14,242 17.9
Democratic Elysabeth Britt 10,739 13.5
Democratic Eddie Porter 8,447 10.6
Democratic Leona Kelley-Leonard 6,693 8.4
Democratic Tyson Meade 4,527 5.7
Total votes 79,505 100.0

Runoff results

Democratic primary runoff results
Party Candidate Votes %
Democratic Kendra Horn 22,052 75.8
Democratic Tom Guild 7,039 24.2
Total votes 29,091 100.0

General election

Polling

Poll source Date(s)
administered 		Sample
size 		Margin of
error 		Steve
Russell (R) 		Kendra
Horn (D) 		Undecided
SoonerPoll October 29, 2018 440 ± 4.66% 49% 37% 14%
VCreek/AMG (R-Russell) October 14–15, 2018 974 ± 3.14% 51% 35% 14%
VCreek/AMG (R-Russell) September 24–25, 2018 1,407 ± 2.61% 50% 37% 13%
SoonerPoll September 15–25, 2018 303 ± 5.63% 47% 37% 16%
VCreek/AMG (R-Russell) September 4–6, 2018 1,182 ± 2.85% 49% 35% 16%

Predictions

Source Ranking As of
The Cook Political Report[12] Likely R November 5, 2018
Inside Elections[13] Safe R November 5, 2018
Sabato's Crystal Ball[14] Likely R November 5, 2018
RCP[15] Likely R November 5, 2018
Daily Kos[16] Likely R November 5, 2018
538[17] Likely R November 7, 2018
CNN[18] Safe R October 31, 2018
Politico[19] Likely R November 2, 2018

Results

Oklahoma's 5th congressional district, 2018[24]
Party Candidate Votes %
Democratic Kendra Horn 121,149 50.7
Republican Steve Russell (incumbent) 117,811 49.3
Total votes 238,960 100.0
Democratic gain from Republican

References

  1. ^ "Oklahoma Elections — 2018". Oklahoma State Election Board. The State of Oklahoma. Retrieved August 20, 2018.
  2. ^ Johnson, Cheryl L. (February 28, 2019). "Statistics of the Congressional Election of November 6, 2018". Clerk of the U.S. House of Representatives. Retrieved April 27, 2019.
  3. ^ Krehbiel, Randy (November 10, 2015). "Congressman Jim Bridenstine says third term would be his last". Tulsa World. Retrieved November 22, 2016.
  4. ^ Davenport, Christian (November 11, 2016). "GOP congressman being considered for NASA administrator in Trump administration". The Washington Post. Retrieved November 22, 2016.
  5. ^ a b c d e f g h i j k l m n o Casteel, Chris (October 17, 2016). "After ho-hum year for state political contests, 2018 will be 'transformational'". The Oklahoman. Retrieved November 4, 2016.
  6. ^ Thompson, Nathan (October 18, 2016). "Oklahoma AG Pruitt not considering run for Congress". Bartlesville Examiner-Enterprise. Retrieved November 4, 2016.
  7. ^ "Please Vote Tomorrow for Nathan Dahm for U.S. House of Representatives!". nrapvf.org. NRA-PVF. June 25, 2018. Archived from the original on August 4, 2023. Retrieved August 4, 2023. The NRA Political Victory Fund (NRA-PVF) has endorsed Nathan Dahm for U.S. House of Representatives in the June 26, 2018
  8. ^ Jamison Faught (June 18, 2018). "Republican Liberty Caucus Endorses Nathan Dahm". muskogeepolitico.com. Muskogee Politico. Retrieved August 3, 2023.
  9. ^ Jamison Faught (May 2, 2018). "Hern endorsed by Republican Main Street Partnership". muskogeepolitico.com. Muskogee Politico. Retrieved August 3, 2023.
  10. ^ "TIM". Retrieved September 12, 2018.[permanent dead link]
  11. ^ "Amanda Douglas is the latest candidate for Native Vote18 in Oklahoma - IndianCountryToday.com". Retrieved September 12, 2018.
  12. ^ a b c d e "2018 House Race Ratings". Cook Political Report. Retrieved October 30, 2018.
  13. ^ a b c d e "2018 House Ratings". The Rothenberg Political Report. Retrieved November 5, 2018.
  14. ^ a b c d e "2018 House". Sabato's Crystal Ball. Retrieved November 5, 2018.
  15. ^ a b c d e "Battle for the House 2018". RCP. Retrieved November 5, 2018.
  16. ^ a b c d e "Daily Kos Elections 2018 race ratings". Daily Kos. Retrieved November 5, 2018.[permanent dead link]
  17. ^ a b c d e Silver, Nate (August 16, 2018). "2018 House Forecast". FiveThirtyEight. Retrieved November 6, 2018.
  18. ^ a b c d e "CNN's 2018 Race Ratings". cnn.com. Turner Broadcasting System. Archived from the original on October 31, 2018. Retrieved July 30, 2023.
  19. ^ a b c d e "Who wins 2018? Predictions for Every House & Senate Election". POLITICO. Retrieved September 7, 2018.
  20. ^ Casteel, Chris (March 30, 2016). "Oklahoma Congressman Mullin may reassess term limits pledge". The Oklahoman. Retrieved November 22, 2016.
  21. ^ "JACKSON, JARRIN DALE - Candidate overview - FEC.gov". FEC.gov. Retrieved September 12, 2018.
  22. ^ "Coburn will work to oust Mullin after congressman breaks term limit pledge". July 8, 2017. Retrieved September 12, 2018.
  23. ^ McGuigan, Patrick B. "At Oklahoma City event, Kendra Horn launches campaign for Democratic nomination in the Fifth Congressional District". Capitol Beat OK. Archived from the original on April 8, 2020. Retrieved August 6, 2018.
  24. ^ "Official Results - General Election — November 6, 2018" (PDF). Oklahoma Secretary of State. November 6, 2018. Retrieved October 15, 2019.

External links

Official campaign websites for first district candidates
Official campaign websites for second district candidates
Official campaign websites for third district candidates
Official campaign websites for fourth district candidates
Official campaign websites for fifth district candidates
(2017 ←)   2018 United States elections   (→ 2019)
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