Chester County, Pennsylvania
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 82,047 | 43.7% | 100,080 | 53.4% | 5,435 | 2.9% | 187,562 |
| 2004 | 109,708 | 47.5% | 120,036 | 52.0% | 1,079 | 0.5% | 230,823 |
| 2008 | 137,833 | 54.2% | 114,421 | 45.0% | 2,051 | 0.8% | 254,305 |
| 2012 | 124,311 | 49.3% | 124,840 | 49.5% | 2,822 | 1.1% | 251,973 |
| 2016 | 141,682 | 52.7% | 116,114 | 43.2% | 11,004 | 4.1% | 268,800 |
| 2020 | 182,372 | 58.0% | 128,565 | 40.9% | 3,565 | 1.1% | 314,502 |