Elections / 2010 · Senate · CA
California — 2010 U.S. Senate election
Recent presidential results
2010 · U.S. SenateCalifornia · U.S. SenateBarbara BoxerD+10.0
Candidates
Statewide candidate totals — MIT Election Data + Science Lab, 2010 Senate returns.
- Barbara Boxer✓(i)Democrat5,218,44152.2%
- Carly FiorinaRepublican4,217,36642.2%
- Gail K. LightfootLibertarian175,2421.8%
- Marsha FeinlandPeace And Freedom135,0931.4%
- Duane RobertsGreen128,5101.3%
- Edward C. NoonanAmerican Independent125,4411.3%
presidential baselinePresident 2008D+24.0Senate 2010D+10.0vs. baselineR+14.0
California's 2010 Senate race ran 14.0 points more Republican than its 2008 presidential margin.
California's Senate margins
Every contest in our store, 1976–2024
| Year | Margin (D minus R) |
|---|---|
| 1976 | −3.3% |
| 1980 | +19.4% |
| 1982 | −6.8% |
| 1986 | +1.4% |
| 1988 | −8.8% |
| 1992 | +4.9% |
| 1994 | +1.9% |
| 1998 | +10.0% |
| 2000 | +19.3% |
| 2004 | +19.9% |
| 2006 | +24.4% |
| 2010 | +10.0% |
| 2012 | +25.0% |
| 2016 | +100.0% |
| 2018 | +100.0% |
| 2022 | +22.1% |
| 2024 | +17.7% |
Same ballot, 2010CA
Source. MIT Election Data + Science Lab — 2010 US Senate returns, party-classified by literal ballot party · certified statewide totals. Real returns — nothing estimated.