Washington County, Iowa
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 3,932 | 43.2% | 4,827 | 53.1% | 335 | 3.7% | 9,094 |
| 2004 | 4,595 | 43.0% | 5,977 | 55.9% | 116 | 1.1% | 10,688 |
| 2008 | 5,170 | 48.7% | 5,247 | 49.4% | 209 | 2.0% | 10,626 |
| 2012 | 5,115 | 46.5% | 5,562 | 50.5% | 327 | 3.0% | 11,004 |
| 2016 | 3,943 | 36.1% | 6,173 | 56.5% | 813 | 7.4% | 10,929 |
| 2020 | 4,561 | 38.8% | 6,991 | 59.4% | 213 | 1.8% | 11,765 |