Washington County, Oregon
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 90,662 | 48.7% | 86,091 | 46.3% | 9,221 | 5.0% | 185,974 |
| 2004 | 121,140 | 52.4% | 107,223 | 46.4% | 2,945 | 1.3% | 231,308 |
| 2008 | 141,544 | 59.8% | 89,185 | 37.7% | 5,903 | 2.5% | 236,632 |
| 2012 | 135,291 | 57.1% | 93,974 | 39.6% | 7,758 | 3.3% | 237,023 |
| 2016 | 153,251 | 56.9% | 83,197 | 30.9% | 32,784 | 12.2% | 269,232 |
| 2020 | 209,940 | 65.5% | 99,073 | 30.9% | 11,313 | 3.5% | 320,326 |