Story County, Iowa
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 17,478 | 49.4% | 16,228 | 45.9% | 1,658 | 4.7% | 35,364 |
| 2004 | 23,296 | 52.2% | 20,819 | 46.6% | 537 | 1.2% | 44,652 |
| 2008 | 26,548 | 57.0% | 18,995 | 40.8% | 1,032 | 2.2% | 46,575 |
| 2012 | 26,192 | 55.6% | 19,668 | 41.7% | 1,290 | 2.7% | 47,150 |
| 2016 | 25,709 | 50.7% | 19,458 | 38.4% | 5,500 | 10.9% | 50,667 |
| 2020 | 29,175 | 57.2% | 20,541 | 40.2% | 1,322 | 2.6% | 51,038 |