Benton County, Iowa
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 5,915 | 50.3% | 5,468 | 46.5% | 383 | 3.3% | 11,766 |
| 2004 | 6,747 | 50.0% | 6,658 | 49.3% | 96 | 0.7% | 13,501 |
| 2008 | 7,058 | 51.5% | 6,447 | 47.0% | 207 | 1.5% | 13,712 |
| 2012 | 6,862 | 48.9% | 6,940 | 49.5% | 221 | 1.6% | 14,023 |
| 2016 | 4,678 | 33.8% | 8,232 | 59.5% | 934 | 6.7% | 13,844 |
| 2020 | 5,160 | 35.2% | 9,208 | 62.9% | 274 | 1.9% | 14,642 |