Cook County, Illinois
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 1,280,547 | 68.6% | 534,542 | 28.6% | 50,818 | 2.7% | 1,865,907 |
| 2004 | 1,439,724 | 70.2% | 597,405 | 29.1% | 12,305 | 0.6% | 2,049,434 |
| 2008 | 1,629,024 | 76.2% | 487,736 | 22.8% | 20,706 | 1.0% | 2,137,466 |
| 2012 | 1,488,537 | 74.0% | 495,542 | 24.6% | 27,518 | 1.4% | 2,011,597 |
| 2016 | 1,611,946 | 74.7% | 453,287 | 21.0% | 93,382 | 4.3% | 2,158,615 |
| 2020 | 1,725,973 | 74.3% | 558,269 | 24.0% | 37,244 | 1.6% | 2,321,486 |