Alameda County, California
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 342,889 | 69.4% | 119,279 | 24.1% | 32,168 | 6.5% | 494,336 |
| 2004 | 422,585 | 75.4% | 130,911 | 23.3% | 7,246 | 1.3% | 560,742 |
| 2008 | 489,106 | 78.8% | 119,555 | 19.3% | 12,368 | 2.0% | 621,029 |
| 2012 | 469,684 | 78.9% | 108,182 | 18.2% | 17,776 | 3.0% | 595,642 |
| 2016 | 514,842 | 78.7% | 95,922 | 14.7% | 43,502 | 6.6% | 654,266 |
| 2020 | 617,659 | 80.2% | 136,309 | 17.7% | 16,102 | 2.1% | 770,070 |