Elections / 2010 · Senate · CO
Colorado — 2010 U.S. Senate election
2010 · U.S. SenateColorado · U.S. SenateMichael F. BennetD+1.6
Candidates
Statewide candidate totals — MIT Election Data + Science Lab, 2010 Senate returns.
- Michael F. Bennet✓Democrat851,59048.1%
- Ken BuckRepublican822,73146.4%
- Bob KinseyGreen38,7682.2%
- Maclyn "Mac" StringerLibertarian22,5891.3%
- Jason NapolitanoIndependent Reform19,4151.1%
- Charley MillerUnaffiliated11,3300.6%
- J. MoromisatoUnaffiliated5,7670.3%
presidential baselinePresident 2008D+9.0Senate 2010D+1.6vs. baselineR+7.3
Colorado's 2010 Senate race ran 7.3 points more Republican than its 2008 presidential margin.
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% |
Same ballot, 2010CO
Source. MIT Election Data + Science Lab — 2010 US Senate returns, party-classified by literal ballot party · certified statewide totals. Real returns — nothing estimated.