Niagara County, New York
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 47,781 | 51.2% | 40,952 | 43.9% | 4,524 | 4.9% | 93,257 |
| 2004 | 45,644 | 47.3% | 44,525 | 46.1% | 6,411 | 6.6% | 96,580 |
| 2008 | 47,303 | 49.7% | 46,348 | 48.7% | 1,556 | 1.6% | 95,207 |
| 2012 | 41,837 | 47.0% | 38,158 | 42.9% | 9,018 | 10.1% | 89,013 |
| 2016 | 35,559 | 38.5% | 51,961 | 56.2% | 4,882 | 5.3% | 92,402 |
| 2020 | 46,029 | 43.9% | 56,068 | 53.5% | 2,769 | 2.6% | 104,866 |