Jefferson County, New York
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 16,799 | 46.1% | 18,192 | 50.0% | 1,427 | 3.9% | 36,418 |
| 2004 | 16,342 | 42.1% | 20,248 | 52.2% | 2,210 | 5.7% | 38,800 |
| 2008 | 18,166 | 46.8% | 20,219 | 52.0% | 462 | 1.2% | 38,847 |
| 2012 | 16,231 | 45.5% | 16,435 | 46.0% | 3,042 | 8.5% | 35,708 |
| 2016 | 13,809 | 36.1% | 21,763 | 56.9% | 2,664 | 7.0% | 38,236 |
| 2020 | 17,307 | 39.2% | 25,629 | 58.1% | 1,193 | 2.7% | 44,129 |