McCook County, South Dakota
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 965 | 36.7% | 1,610 | 61.2% | 56 | 2.1% | 2,631 |
| 2004 | 1,201 | 36.7% | 2,017 | 61.7% | 53 | 1.6% | 3,271 |
| 2008 | 1,219 | 42.0% | 1,646 | 56.7% | 40 | 1.4% | 2,905 |
| 2012 | 905 | 34.6% | 1,655 | 63.3% | 53 | 2.0% | 2,613 |
| 2016 | 623 | 24.1% | 1,794 | 69.3% | 170 | 6.6% | 2,587 |
| 2020 | 769 | 26.5% | 2,068 | 71.3% | 63 | 2.2% | 2,900 |