Decatur County, Iowa
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 1,674 | 45.1% | 1,903 | 51.3% | 132 | 3.6% | 3,709 |
| 2004 | 1,859 | 46.3% | 2,088 | 52.1% | 64 | 1.6% | 4,011 |
| 2008 | 1,986 | 48.4% | 2,020 | 49.2% | 96 | 2.3% | 4,102 |
| 2012 | 1,791 | 46.7% | 1,947 | 50.8% | 95 | 2.5% | 3,833 |
| 2016 | 1,201 | 32.2% | 2,296 | 61.5% | 237 | 6.3% | 3,734 |
| 2020 | 1,120 | 29.4% | 2,618 | 68.8% | 66 | 1.7% | 3,804 |