Elections / 2010 · Senate · CA
The Democratic candidate won California's Senate seat D+10.0.
California, 2010. Candidate results and statewide totals below.
California — 2010 Senate result
Source: MIT Election Data + Science Lab, 1976–2024 Senate returns (party-classified by literal ballot party).
Democratic (D)
5,218,441
52.2%
Republican (R)
4,217,366
42.2%
All others
564,286
5.6%
Margin
D+10.0
Candidates
Statewide candidate totals — MIT Election Data + Science Lab, 2010 Senate returns.
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Barbara Boxer | DDemocrat | 5,218,441 | 52.2% |
| Carly Fiorina | RRepublican | 4,217,366 | 42.2% |
| Gail K. Lightfoot | OLibertarian | 175,242 | 1.8% |
| Marsha Feinland | OPeace And Freedom | 135,093 | 1.4% |
| Duane Roberts | OGreen | 128,510 | 1.3% |
| Edward C. Noonan | OAmerican Independent | 125,441 | 1.3% |
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% |