Napa County, California
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 28,097 | 54.3% | 20,633 | 39.9% | 2,994 | 5.8% | 51,724 |
| 2004 | 33,666 | 59.6% | 22,059 | 39.1% | 740 | 1.3% | 56,465 |
| 2008 | 38,849 | 65.1% | 19,484 | 32.7% | 1,309 | 2.2% | 59,642 |
| 2012 | 35,870 | 63.0% | 19,526 | 34.3% | 1,572 | 2.8% | 56,968 |
| 2016 | 39,199 | 63.9% | 17,411 | 28.4% | 4,762 | 7.8% | 61,372 |
| 2020 | 49,817 | 69.0% | 20,676 | 28.7% | 1,657 | 2.3% | 72,150 |