Boone County, Missouri
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 28,811 | 48.3% | 28,426 | 47.7% | 2,372 | 4.0% | 59,609 |
| 2004 | 37,643 | 49.5% | 37,801 | 49.7% | 602 | 0.8% | 76,046 |
| 2008 | 47,062 | 55.2% | 36,849 | 43.2% | 1,340 | 1.6% | 85,251 |
| 2012 | 39,847 | 50.2% | 37,404 | 47.1% | 2,171 | 2.7% | 79,422 |
| 2016 | 41,125 | 49.0% | 36,200 | 43.2% | 6,543 | 7.8% | 83,868 |
| 2020 | 50,064 | 54.9% | 38,646 | 42.4% | 2,458 | 2.7% | 91,168 |