| 2022 | Democratic | 3,473,603 | 43.7% | | | Republican | 4,480,186 | 56.3% | |
| 2018 | Democratic | 3,822,137 | 46.4% | | | Republican | 4,221,527 | 51.3% | | | Other | 191,639 | 2.3% | |
| 2014 | Democratic | 1,697,083 | 36.8% | | | Republican | 2,698,694 | 58.6% | | | Other | 210,059 | 4.6% | |
| 2010 | Democratic | 1,738,456 | 35.8% | | | Republican | 2,953,775 | 60.8% | | | Other | 164,035 | 3.4% | |
| 2006 | Democratic | 1,760,402 | 41.8% | | | Republican | 2,307,406 | 54.8% | | | Independent | 144,989 | 3.4% | |
| 2002 | Democratic | 1,674,372 | 37.8% | | | Republican | 2,636,129 | 59.5% | | | Other | 117,052 | 2.6% | |
| 1998 | Democratic | 1,511,045 | 42.1% | | | Republican | 2,021,385 | 56.3% | | | Other | 58,297 | 1.6% | |
| 1994 | Democratic | 1,479,692 | 36.0% | | | Republican | 2,546,287 | 61.9% | | | Other | 85,836 | 2.1% | |
| 1990 | Democratic | 1,820,145 | 47.9% | | | Republican | 1,864,463 | 49.1% | | | Other | 112,017 | 3.0% | |
|
Home
2024
