Jefferson County, Wisconsin
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 15,203 | 42.1% | 19,204 | 53.2% | 1,692 | 4.7% | 36,099 |
| 2004 | 17,925 | 42.6% | 23,776 | 56.5% | 414 | 1.0% | 42,115 |
| 2008 | 21,448 | 49.7% | 21,096 | 48.9% | 622 | 1.4% | 43,166 |
| 2012 | 20,158 | 45.5% | 23,517 | 53.1% | 606 | 1.4% | 44,281 |
| 2016 | 16,561 | 38.4% | 23,410 | 54.3% | 3,175 | 7.4% | 43,146 |
| 2020 | 19,904 | 41.5% | 27,208 | 56.7% | 867 | 1.8% | 47,979 |