Lewis and Clark County, Montana
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 9,982 | 36.6% | 15,091 | 55.3% | 2,196 | 8.1% | 27,269 |
| 2004 | 12,717 | 42.6% | 16,494 | 55.3% | 631 | 2.1% | 29,842 |
| 2008 | 17,114 | 51.2% | 14,966 | 44.8% | 1,353 | 4.0% | 33,433 |
| 2012 | 15,620 | 46.9% | 16,803 | 50.4% | 895 | 2.7% | 33,318 |
| 2016 | 14,478 | 42.0% | 16,895 | 49.0% | 3,105 | 9.0% | 34,478 |
| 2020 | 19,743 | 46.7% | 21,409 | 50.7% | 1,113 | 2.6% | 42,265 |