2020 United States Senate election in Colorado information
See also: 2020 United States Senate elections
Not to be confused with 2020 Colorado Senate election.
2020 United States Senate election in Colorado
← 2014
November 3, 2020
2026 →
Nominee
John Hickenlooper
Cory Gardner
Party
Democratic
Republican
Popular vote
1,731,114
1,429,492
Percentage
53.50%
44.18%
County results
Congressional districts results
Precinct results
Hickenlooper: 40–50% 50–60% 60–70% 70–80% 80–90% >90% Gardner: 40–50% 50–60% 60–70% 70–80% 80–90% >90% Tie: 40–50% No data
U.S. senator before election
Cory Gardner
Republican
Elected U.S. Senator
John Hickenlooper
Democratic
Elections in Colorado
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v
t
e
The 2020 United States Senate election in Colorado was held on November 3, 2020, to elect a member of the United States Senate to represent the State of Colorado, concurrently with the 2020 U.S. presidential election, as well as other elections to the United States Senate, elections to the United States House of Representatives and various state and local elections.
Under Colorado law, the filing deadline for U.S. Senate candidates was March 17, 2020, the third Tuesday in March of the election year; the primary election occurred on June 30.[1][2] Incumbent senator Cory Gardner lost re-election to former governor John Hickenlooper.[3] Gardner was unopposed in the Republican primary, and Hickenlooper defeated former State House Speaker Andrew Romanoff in the Democratic primary.[4]
This race was one of two Republican-held U.S. Senate seats up for election in 2020 in a state President Trump lost in 2016; the other was in Maine. Many pollsters and pundits[5][6] considered Gardner to be the most vulnerable Republican senator facing re-election in 2020 due to his narrow victory in 2014, the state's leftward shift, and Trump's unpopularity in the state. As predicted, Hickenlooper easily defeated Gardner by a 9.3-point margin. However, Gardner did manage to outperform Donald Trump in the concurrent presidential election by roughly four points.[7] This became the first election Gardner had lost in his political career as well as being the widest margin of loss for a Coloradan U.S. Senator since 1978.[8] This was the third consecutive election where this seat flipped parties, and also the second consecutive election in which the incumbent senator lost re-election to a second term for this particular seat. At the age of 68, Hickenlooper is the oldest first term senator from Colorado.
^Griswold, Jena (2019). "Major Party Candidate Petition". Colorado Secretary of State. State of Colorado. Retrieved February 23, 2019.
^"Colorado Revised Statutes Title 1 Elections § 1-4-801 Designation of party candidates by petition". Colorado Revised Statutes. State of Colorado. 2019. Retrieved February 23, 2019.
^"2020 State Primary Results Certificate" (PDF). Retrieved January 31, 2021.
^"The most vulnerable Republican senator in 2020". Roll Call. March 5, 2019. Retrieved March 17, 2023.
^"He's a vulnerable Republican in a state that's trending blue. So why won't he defy Trump on impeachment?". Washington Post. ISSN 0190-8286. Retrieved March 17, 2023.
^"Colorado Election Results". The New York Times. November 3, 2020. Retrieved February 12, 2021.
^"Why John Hickenlooper won and Cory Gardner lost Colorado's U.S. Senate race". Retrieved January 31, 2021.
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