Stephenson County, Illinois
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 8,062 | 41.6% | 10,715 | 55.3% | 601 | 3.1% | 19,378 |
| 2004 | 8,913 | 41.8% | 12,212 | 57.3% | 195 | 0.9% | 21,320 |
| 2008 | 11,349 | 52.5% | 9,909 | 45.9% | 347 | 1.6% | 21,605 |
| 2012 | 10,165 | 48.3% | 10,512 | 49.9% | 378 | 1.8% | 21,055 |
| 2016 | 7,768 | 38.2% | 11,083 | 54.5% | 1,492 | 7.3% | 20,343 |
| 2020 | 9,055 | 41.1% | 12,521 | 56.8% | 472 | 2.1% | 22,048 |