Riverside County, California
Votes
Percentages
| Year | Democrat | Republican | Other | Total | |||
|---|---|---|---|---|---|---|---|
| 2000 | 202,576 | 44.9% | 231,955 | 51.4% | 16,596 | 3.7% | 451,127 |
| 2004 | 228,806 | 41.1% | 322,473 | 57.9% | 5,603 | 1.0% | 556,882 |
| 2008 | 325,017 | 50.2% | 310,041 | 47.9% | 12,241 | 1.9% | 647,299 |
| 2012 | 329,063 | 49.7% | 318,127 | 48.1% | 14,717 | 2.2% | 661,907 |
| 2016 | 373,695 | 49.7% | 333,243 | 44.4% | 44,453 | 5.9% | 751,391 |
| 2020 | 528,340 | 53.0% | 449,144 | 45.0% | 19,672 | 2.0% | 997,156 |