San Joaquin County, California
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 79,776 | 47.7% | 81,773 | 48.9% | 5,690 | 3.4% | 167,239 |
| 2004 | 87,012 | 45.9% | 100,978 | 53.3% | 1,515 | 0.8% | 189,505 |
| 2008 | 113,974 | 54.4% | 91,607 | 43.8% | 3,768 | 1.8% | 209,349 |
| 2012 | 114,121 | 55.8% | 86,071 | 42.0% | 4,505 | 2.2% | 204,697 |
| 2016 | 121,124 | 54.0% | 88,936 | 39.7% | 14,106 | 6.3% | 224,166 |
| 2020 | 161,137 | 56.3% | 121,098 | 42.3% | 3,993 | 1.4% | 286,228 |