Williamson County, Illinois
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 12,192 | 45.3% | 14,012 | 52.0% | 735 | 2.7% | 26,939 |
| 2004 | 11,685 | 39.0% | 18,086 | 60.4% | 189 | 0.6% | 29,960 |
| 2008 | 12,914 | 41.9% | 17,387 | 56.4% | 520 | 1.7% | 30,821 |
| 2012 | 10,647 | 36.5% | 17,909 | 61.5% | 587 | 2.0% | 29,143 |
| 2016 | 8,581 | 26.9% | 21,570 | 67.7% | 1,701 | 5.3% | 31,852 |
| 2020 | 10,206 | 30.3% | 22,801 | 67.8% | 646 | 1.9% | 33,653 |