Winnebago County, Illinois
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 51,981 | 47.6% | 53,816 | 49.2% | 3,500 | 3.2% | 109,297 |
| 2004 | 59,740 | 49.2% | 60,782 | 50.1% | 903 | 0.7% | 121,425 |
| 2008 | 70,034 | 55.6% | 53,886 | 42.8% | 2,111 | 1.7% | 126,031 |
| 2012 | 61,732 | 51.9% | 55,138 | 46.3% | 2,114 | 1.8% | 118,984 |
| 2016 | 55,713 | 47.1% | 55,624 | 47.0% | 7,039 | 5.9% | 118,376 |
| 2020 | 64,056 | 50.2% | 60,861 | 47.7% | 2,792 | 2.2% | 127,709 |