2020 | Democratic | 4,888,764 | 43.9% | | Republican | 5,962,983 | 53.5% | | Other | 292,293 | 2.6% | |
2018 | Democratic | 4,045,632 | 48.3% | | Republican | 4,260,553 | 50.9% | | Other | 65,470 | 0.8% | |
2014 | Democratic | 1,597,387 | 34.4% | | Republican | 2,861,531 | 61.6% | | Other | 189,440 | 4.1% | |
2012 | Democratic | 3,194,927 | 40.6% | | Republican | 4,440,137 | 56.5% | | Other | 229,758 | 2.9% | |
2008 | Democratic | 3,389,365 | 42.8% | | Republican | 4,337,469 | 54.8% | | Other | 185,241 | 2.3% | |
2006 | Democratic | 1,555,202 | 36.0% | | Republican | 2,661,789 | 61.7% | | Other | 97,672 | 2.3% | |
2002 | Democratic | 1,955,758 | 43.3% | | Republican | 2,496,243 | 55.3% | | Other | 62,011 | 1.4% | |
2000 | Democratic | 2,030,315 | 32.3% | | Republican | 4,082,091 | 65.0% | | Other | 164,246 | 2.6% | |
1996 | Democratic | 2,428,776 | 43.9% | | Republican | 3,027,680 | 54.8% | | Other | 70,985 | 1.3% | |
1994 | Democratic | 1,639,615 | 38.3% | | Republican | 2,604,218 | 60.8% | | Other | 36,107 | 0.8% | |
1990 | Democratic | 1,429,986 | 37.4% | | Republican | 2,302,357 | 60.2% | | Other | 89,814 | 2.3% | |
1988 | Democratic | 3,149,806 | 59.7% | | Republican | 2,129,228 | 40.3% | |
1978 | Democratic | 1,139,149 | 49.3% | | Republican | 1,151,376 | 49.8% | | Other | 22,015 | 1.0% | |
1966 | Democratic | 643,855 | 43.1% | | Republican | 842,501 | 56.4% | | Other | 6,778 | 0.5% | |
1964 | Democratic | 1,463,958 | 56.2% | | Republican | 1,134,337 | 43.6% | | Other | 5,542 | 0.2% | |
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