Boone County, Illinois
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 6,481 | 41.8% | 8,617 | 55.5% | 425 | 2.7% | 15,523 |
| 2004 | 8,286 | 42.4% | 11,132 | 57.0% | 123 | 0.6% | 19,541 |
| 2008 | 11,333 | 51.1% | 10,403 | 47.0% | 421 | 1.9% | 22,157 |
| 2012 | 9,883 | 46.3% | 11,096 | 51.9% | 386 | 1.8% | 21,365 |
| 2016 | 8,986 | 39.1% | 12,282 | 53.4% | 1,733 | 7.5% | 23,001 |
| 2020 | 10,542 | 42.2% | 13,883 | 55.6% | 554 | 2.2% | 24,979 |