Elections / 2020 · Senate · CO
The Democratic candidate won Colorado's Senate seat D+9.3.
Colorado, 2020. Candidate results and statewide totals below. The presidential race shared this ballot.
Colorado — 2020 Senate result
Source: MIT Election Data + Science Lab, 1976–2024 Senate returns (party-classified by literal ballot party).
Democratic (D)
1,731,114
53.5%
Republican (R)
1,429,492
44.2%
All others
75,184
2.3%
Margin
D+9.3
Candidates
Statewide candidate totals — MIT Election Data + Science Lab, 2020 Senate returns.
| Candidate | Party | Votes | Share |
|---|---|---|---|
| John W. Hickenlooper | DDemocrat | 1,731,114 | 53.5% |
| Cory Gardner | RRepublican | 1,429,492 | 44.2% |
| Raymon Anthony Doane | OLibertarian | 56,262 | 1.7% |
| Daniel Doyle | OApproval Voting Party | 9,820 | 0.3% |
| Stephan "Seku" Evans | OUnity Party | 8,971 | 0.3% |
| Bruce Lohmiller | OGreen | 71 | 0.0% |
| Danny Skelly | OUnaffiliated | 55 | 0.0% |
| Michael Sanchez | OUnaffiliated | 5 | 0.0% |
Colorado's Senate margins
Every contest in our store, 1978–2022
| Year | Margin (D minus R) |
|---|---|
| 1978 | −18.4% |
| 1980 | +1.6% |
| 1984 | −29.6% |
| 1986 | +1.6% |
| 1990 | −14.0% |
| 1992 | +9.1% |
| 1996 | −5.7% |
| 1998 | −27.5% |
| 2002 | −4.9% |
| 2004 | +4.8% |
| 2008 | +10.3% |
| 2010 | +1.6% |
| 2014 | −1.9% |
| 2016 | +5.7% |
| 2020 | +9.3% |
| 2022 | +14.6% |