Grundy County, Illinois
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 7,516 | 45.3% | 8,709 | 52.5% | 359 | 2.2% | 16,584 |
| 2004 | 8,463 | 42.7% | 11,198 | 56.5% | 170 | 0.9% | 19,831 |
| 2008 | 11,063 | 49.9% | 10,687 | 48.2% | 421 | 1.9% | 22,171 |
| 2012 | 9,451 | 44.5% | 11,343 | 53.4% | 450 | 2.1% | 21,244 |
| 2016 | 8,065 | 34.7% | 13,454 | 57.9% | 1,718 | 7.4% | 23,237 |
| 2020 | 9,626 | 36.1% | 16,523 | 61.9% | 542 | 2.0% | 26,691 |