Carroll County, Iowa
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 4,463 | 46.6% | 4,879 | 51.0% | 226 | 2.4% | 9,568 |
| 2004 | 4,689 | 44.6% | 5,762 | 54.8% | 73 | 0.7% | 10,524 |
| 2008 | 5,302 | 51.0% | 4,922 | 47.4% | 163 | 1.6% | 10,387 |
| 2012 | 4,947 | 46.3% | 5,601 | 52.5% | 126 | 1.2% | 10,674 |
| 2016 | 3,309 | 31.4% | 6,638 | 63.0% | 597 | 5.7% | 10,544 |
| 2020 | 3,454 | 30.5% | 7,766 | 68.5% | 115 | 1.0% | 11,335 |