The 2018 United States House of Representatives elections in Colorado were held on November 6, 2018, to elect the seven U.S. representatives from the state of Colorado, one from each of the state's seven congressional districts. The Republican and Democratic Party primaries in Colorado were held on June 26, 2018. The elections coincided with the gubernatorial election, as well as other elections to the House of Representatives, elections to the United States Senate, and various state and local elections.
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All 7 Colorado seats to the United States House of Representatives | |||||||||||||||||||||||||
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Turnout | 63.58% | ||||||||||||||||||||||||
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Party | Candidates | Votes | Seats | ||||
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No. | % | No. | +/– | % | |||
Democratic | 7 | 1,343,211 | 53.44 | 4 | 1 | 57.14 | |
Republican | 7 | 1,079,772 | 42.96 | 3 | 1 | 42.95 | |
Libertarian | 6 | 58,769 | 2.34 | 0 | 0.0 | ||
Independent | 2 | 27,187 | 1.08 | 0 | 0.0 | ||
Unity | 2 | 4,623 | 0.18 | 0 | 0.0 | ||
Green | 5 | 207 | 0.01 | 0 | 0.0 | ||
Write-in | 5 | 137 | 0.01 | 0 | 0.0 | ||
Total | 34 | 2,513,906 | 100.0 | 7 | 100.0 |
Results of the 2018 United States House of Representatives elections in Colorado by district:[1]
District | Democratic | Republican | Others | Total | Result | ||||
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Votes | % | Votes | % | Votes | % | Votes | % | ||
District 1 | 272,886 | 73.81% | 85,207 | 23.05% | 11,622 | 3.14% | 369,715 | 100.0% | Democratic hold |
District 2 | 259,608 | 60.27% | 144,901 | 33.64% | 26,256 | 6.09% | 430,765 | 100.0% | Democratic hold |
District 3 | 146,426 | 43.55% | 173,205 | 51.52% | 16,570 | 4.93% | 336,201 | 100.0% | Republican hold |
District 4 | 145,544 | 39.38% | 224,038 | 60.61% | 38 | 0.01% | 369,620 | 100.0% | Republican hold |
District 5 | 126,848 | 39.30% | 184,002 | 57.02% | 11,866 | 3.68% | 322,716 | 100.0% | Republican hold |
District 6 | 187,639 | 54.10% | 148,685 | 42.87% | 10,498 | 3.03% | 346,822 | 100.0% | Democratic gain |
District 7 | 204,260 | 60.42% | 119,734 | 35.42% | 14,073 | 4.16% | 338,067 | 100.0% | Democratic hold |
Total | 1,343,211 | 53.43% | 1,079,772 | 42.95% | 90,924 | 3.62% | 2,513,907 | 100.0% |
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DeGette: 60-70% 70-80% Stockham: 50-60% DeGette: 40–50% 50–60% 60–70% 70–80% 80–90% >90% Stockham: 40–50% 50–60% 60–70% No votes | |||||||||||||||||
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The 1st district is located in Central Colorado and includes most of the city of Denver. Incumbent Democrat Diana DeGette, who had represented the district since 1997, ran for re-election. He was re-elected with 68% of the vote in 2016. The district had a PVI of D+21.
Party | Candidate | Votes | % | |
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Democratic | Diana DeGette (incumbent) | 91,102 | 68.2 | |
Democratic | Saira Rao | 42,398 | 31.8 | |
Total votes | 133,500 | 100.0 |
Party | Candidate | Votes | % | |
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Republican | Casper Stockham | 29,933 | 100.0 | |
Total votes | 29,933 | 100.0 |
Party | Candidate | Votes | % | |
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Democratic | Diana DeGette (incumbent) | 272,886 | 73.8 | |
Republican | Casper Stockham | 85,207 | 23.1 | |
Libertarian | Raymon Doane | 11,600 | 3.1 | |
Write-in | 22 | 0.0 | ||
Total votes | 369,715 | 100.0 | ||
Democratic hold |
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Neguse: 40-50% 50-60% 60-70% 70-80% Yu: 40-50% 50-60% Neguse: 40–50% 50–60% 60–70% 70–80% 80–90% >90% Yu: 40–50% 50–60% 60–70% 70–80% | |||||||||||||||||
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The 2nd district is located in Northern Colorado and encompasses seven counties. Incumbent Democrat Jared Polis, who had represented the district since 2009, did not run re-election, instead running for Governor.[13] He was re-elected with 57% of the vote in 2016. The district had a PVI of D+9.
Mayors
City councilors (Boulder)
City councilors (other)
County officials (Boulder)
County officials (others)
Others
Party | Candidate | Votes | % | |
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Democratic | Joe Neguse | 76,829 | 65.7 | |
Democratic | Mark Williams | 40,044 | 34.3 | |
Total votes | 116,873 | 100.0 |
Party | Candidate | Votes | % | |
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Republican | Peter Yu | 45,970 | 100.0 | |
Total votes | 45,970 | 100.0 |
Party | Candidate | Votes | % | |
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Democratic | Joe Neguse | 259,608 | 60.3 | |
Republican | Peter Yu | 144,901 | 33.6 | |
Independent | Nick Thomas | 16,356 | 3.8 | |
Libertarian | Roger Barris | 9,749 | 2.3 | |
Green | Kevin Alumbaugh (write-in) | 151 | 0.0 | |
Total votes | 430,765 | 100.0 | ||
Democratic hold |
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Tipton: 40-50% 50-60% 60-70% 70-80% 80-90% Bush: 50-60% 60-70% 70-80% Tipton: 40–50% 50–60% 60–70% 70–80% 80–90% >90% Bush: 40–50% 50–60% 60–70% 70–80% 80–90% Tie: 40–50% | |||||||||||||||||
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The 3rd district is located in Western and Southern Colorado and includes a large number of sparsely populated counties and the city of Grand Junction. Incumbent Republican Scott Tipton, who had represented the district since 2011, ran for re-election. He was re-elected with 55% of the vote in 2016. The district had a PVI of R+6.
Party | Candidate | Votes | % | |
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Republican | Scott Tipton (incumbent) | 66,854 | 100.0 | |
Total votes | 66,854 | 100.0 |
This was one of 80 Republican-held House districts targeted by the Democratic Congressional Campaign Committee in 2018.[28]
Party | Candidate | Votes | % | |
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Democratic | Diane Mitsch Bush | 44,809 | 64.1 | |
Democratic | Karl Hanlon | 19,368 | 27.7 | |
Democratic | Arn Menconi | 5,754 | 8.2 | |
Total votes | 69,931 | 100.0 |
Poll source | Date(s) administered |
Sample size |
Margin of error |
Scott Tipton (R) |
Diane Mitsch Bush (D) |
Other | Undecided |
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JMC Analytics/Bold Blue Campaigns | October 27 – November 2, 2018 | 500 | ± 4.5% | 46% | 41% | 5%[33] | 7% |
Change Research (D) | October 27–29, 2018 | 485 | – | 53% | 38% | – | 9% |
Source | Ranking | As of |
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The Cook Political Report[34] | Likely R | November 5, 2018 |
Inside Elections[35] | Safe R | November 5, 2018 |
Sabato's Crystal Ball[36] | Lean R | November 5, 2018 |
RCP[37] | Likely R | November 5, 2018 |
Daily Kos[38] | Likely R | November 5, 2018 |
538[39] | Likely R | November 7, 2018 |
CNN[40] | Safe R | October 31, 2018 |
Politico[41] | Likely R | November 4, 2018 |
Party | Candidate | Votes | % | |
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Republican | Scott Tipton (incumbent) | 173,205 | 51.5 | |
Democratic | Diane Mitsch Bush | 146,426 | 43.6 | |
Independent | Mary Malarsie | 10,831 | 3.2 | |
Libertarian | Gaylon Kent | 5,727 | 1.7 | |
Green | Gary Swing (write-in) | 9 | 0.0 | |
Write-in | 3 | 0.0 | ||
Total votes | 336,201 | 100 | ||
Republican hold |
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Buck: 50-60% 60-70% 70-80% 80-90% McCormick: 60-70% Buck: 50–60% 60–70% 70–80% 80–90% >90% McCormick: 50–60% 60–70% 70–80% 80–90% No votes | |||||||||||||||||
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The 4th district is located in Eastern Colorado and includes numerous sparsely populated counties. Incumbent Republican Ken Buck, who had represented the district since 2015, ran for re-election. He was re-elected with 64% of the vote in 2016. The district had a PVI of R+13.
Party | Candidate | Votes | % | |
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Republican | Ken Buck (incumbent) | 85,290 | 100.0 | |
Total votes | 85,290 | 100.0 |
Party | Candidate | Votes | % | |
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Democratic | Karen McCormick | 37,120 | 64.7 | |
Democratic | Chase Kohne | 20,269 | 35.3 | |
Total votes | 57,389 | 100.0 |
Party | Candidate | Votes | % | |
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Republican | Ken Buck (incumbent) | 224,038 | 60.6 | |
Democratic | Karen McCormick | 145,544 | 39.4 | |
Green | John Vigil (write-in) | 26 | 0.0 | |
Write-in | 12 | 0.0 | ||
Total votes | 369,620 | 100.0 | ||
Republican hold |
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Lamborn: 50-60% 60-70% Spaulding: 50-60% Lamborn: 40–50% 50–60% 60–70% 70–80% 80–90% Spaulding: 40–50% 50–60% 60–70% 70–80% 80–90% | |||||||||||||||||
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The 5th district is located in Central Colorado and includes Fremont, El Paso, Teller and Chaffee counties and the city of Colorado Springs. Incumbent Republican Doug Lamborn, who had represented the district since 2007, ran for re-election. He was re-elected with 62% of the vote in 2016. The district had a PVI of R+14.
Poll source | Date(s) administered |
Sample size |
Margin of error |
Darryl Glenn |
Owen Hill |
Doug Lamborn |
Bill Rhea |
Tyler Stevens |
Undecided |
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Magellan Strategies | May 20–21, 2018 | 519 | ± 4.3% | 27% | 10% | 37% | 2% | 3% | 21% |
Party | Candidate | Votes | % | |
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Republican | Doug Lamborn (incumbent) | 54,974 | 52.2 | |
Republican | Darryl Glenn | 21,479 | 20.4 | |
Republican | Owen Hill | 19,141 | 18.2 | |
Republican | Bill Rhea | 6,167 | 5.9 | |
Republican | Tyler Stevens | 3,643 | 3.5 | |
Total votes | 105,404 | 100.0 |
Party | Candidate | Votes | % | |
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Democratic | Stephany Rose Spaulding | 45,466 | 99.9 | |
Write-in | 38 | 0.1 | ||
Total votes | 45,504 | 100.0 |
Party | Candidate | Votes | % | |
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Republican | Doug Lamborn (incumbent) | 184,002 | 57.0 | |
Democratic | Stephany Rose Spaulding | 126,848 | 39.3 | |
Libertarian | Douglas Randall | 11,795 | 3.7 | |
Unity | John Croom (write-in) | 16 | 0.0 | |
Write-in | 55 | 0.0 | ||
Total votes | 322,716 | 100.0 | ||
Republican hold |
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Crow: 40-50% 50-60% Coffman: 50-60% Crow: 40–50% 50–60% 60–70% 70–80% Coffman: 40–50% 50–60% 60–70% 70–80% No votes | |||||||||||||||||
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The 6th district is located in Central Colorado and surrounds the city of Denver from the east, including the city of Aurora. Incumbent Republican Mike Coffman, who had represented the district since 2009, ran for re-election. He was re-elected with 51% of the vote in 2016. The district had a PVI of D+2.
Party | Candidate | Votes | % | |
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Republican | Mike Coffman (incumbent) | 56,703 | 100.0 | |
Total votes | 56,703 | 100.0 |
This was one of 80 Republican-held House districts targeted by the Democratic Congressional Campaign Committee in 2018.[28]
Party | Candidate | Votes | % | |
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Democratic | Jason Crow | 49,851 | 65.9 | |
Democratic | Levi Tillemann | 25,757 | 34.1 | |
Total votes | 75,608 | 100.0 |
Poll source | Date(s) administered |
Sample size |
Margin of error |
Mike Coffman (R) |
Jason Crow (D) |
Undecided |
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NYT Upshot/Siena College | October 13–17, 2018 | 506 | ± 4.5% | 38% | 47% | 9% |
Normington, Petts & Associates (D) | September 18–23, 2018 | 400 | ± 4.9% | 38% | 49% | 13% |
NYT Upshot/Siena College | September 12–14, 2018 | 500 | ± 4.8% | 40% | 51% | 9% |
The Tarrance Group (R-Coffman) | September 11–13, 2018 | 400 | ± 4.9% | 45% | 46% | 9% |
IMGE Insights (R) | July 9–12, 2018 | 400 | – | 45% | 45% | 10% |
Global Strategy Group (D-Crow) | July 11–17, 2018 | 506 | ± 4.4% | 45% | 47% | 8% |
Normington, Petts & Associates (D) | July 9–11, 2018 | 400 | – | 44% | 41% | 15% |
Public Policy Polling (D) | February 15–18, 2018 | 751 | ± 3.6% | 39% | 44% | 17% |
Public Policy Polling (D) | October 5–8, 2017 | 742 | ± 3.6% | 43% | 36% | 21% |
Source | Ranking | As of |
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The Cook Political Report[34] | Lean D (flip) | November 5, 2018 |
Inside Elections[35] | Tilt D (flip) | November 5, 2018 |
Sabato's Crystal Ball[36] | Lean D (flip) | November 5, 2018 |
RCP[37] | Lean D (flip) | November 5, 2018 |
Daily Kos[38] | Lean D (flip) | November 5, 2018 |
538[39] | Likely D (flip) | November 7, 2018 |
CNN[40] | Lean D (flip) | October 31, 2018 |
Politico[41] | Lean D (flip) | November 4, 2018 |
Party | Candidate | Votes | % | |
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Democratic | Jason Crow | 187,639 | 54.1 | |
Republican | Mike Coffman (incumbent) | 148,685 | 42.9 | |
Libertarian | Kat Martin | 5,886 | 1.7 | |
Unity | Dan Chapin | 4,607 | 1.3 | |
Green | Christopher Allen (write-in) | 5 | 0.0 | |
Total votes | 346,822 | 100.0 | ||
Democratic gain from Republican |
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Perlmutter: 60-70% Perlmutter: 40–50% 50–60% 60–70% 70–80% 80–90% Barrington: 40–50% 50–60% 60–70% 70–80% Tie: 40–50% No votes | |||||||||||||||||
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The 7th district is located in Central Colorado, to the north and west of Denver and includes the cities of Thornton and Westminster and most of Lakewood. Incumbent Democrat Ed Perlmutter, who had represented the district since 2007, ran for re-election. He was re-elected with 55% of the vote in 2016. The district had a PVI of D+6.
Perlmutter announced a run for governor, but later withdrew from that race. He later announced that he would not run for re-election.[61] However, on August 21, 2017, he announced that he had changed his mind.
Party | Candidate | Votes | % | |
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Democratic | Ed Perlmutter (incumbent) | 81,991 | 100.0 | |
Total votes | 81,991 | 100.0 |
Colorado's 7th district was included on the initial list of Democratic-held seats being targeted by the National Republican Congressional Committee in 2018.[65]
Party | Candidate | Votes | % | |
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Republican | Mark Barrington | 46,028 | 100.0 | |
Total votes | 46,028 | 100.0 |
Party | Candidate | Votes | % | |
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Democratic | Ed Perlmutter (incumbent) | 204,260 | 60.4 | |
Republican | Mark Barrington | 119,734 | 35.4 | |
Libertarian | Jennifer Nackerud | 14,012 | 4.1 | |
Green | Michael Haughey (write-in) | 16 | 0.0 | |
Write-in | 45 | 0.0 | ||
Total votes | 338,067 | 100.0 | ||
Democratic hold |
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