Clinton County, Iowa
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 12,276 | 55.3% | 9,229 | 41.6% | 675 | 3.0% | 22,180 |
| 2004 | 13,813 | 56.0% | 10,666 | 43.2% | 205 | 0.8% | 24,684 |
| 2008 | 15,018 | 60.8% | 9,324 | 37.7% | 377 | 1.5% | 24,719 |
| 2012 | 15,141 | 60.6% | 9,432 | 37.7% | 427 | 1.7% | 25,000 |
| 2016 | 10,095 | 43.8% | 11,276 | 48.9% | 1,696 | 7.4% | 23,067 |
| 2020 | 10,812 | 43.8% | 13,410 | 54.3% | 465 | 1.9% | 24,687 |