Madison County, Iowa
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 3,093 | 44.4% | 3,662 | 52.5% | 214 | 3.1% | 6,969 |
| 2004 | 3,380 | 42.2% | 4,538 | 56.7% | 86 | 1.1% | 8,004 |
| 2008 | 3,733 | 44.0% | 4,579 | 54.0% | 168 | 2.0% | 8,480 |
| 2012 | 3,630 | 42.9% | 4,638 | 54.8% | 190 | 2.2% | 8,458 |
| 2016 | 2,678 | 31.0% | 5,360 | 62.1% | 598 | 6.9% | 8,636 |
| 2020 | 3,134 | 31.9% | 6,525 | 66.4% | 165 | 1.7% | 9,824 |