2022	Democratic	1,820,633	51.4%
	Republican	1,721,244	48.6%

2020	Democratic	2,269,923	50.6%
	Republican	2,214,979	49.4%

2020 (S)	Democratic	2,289,113	51.0%
	Republican	2,195,841	49.0%

2016	Democratic	1,599,726	41.0%
	Republican	2,135,806	54.8%
	Other	163,073	4.2%

2014	Democratic	1,160,811	45.2%
	Republican	1,358,088	52.9%
	Other	48,906	1.9%

2010	Democratic	996,516	39.0%
	Republican	1,489,904	58.3%
	Other	68,838	2.7%

2008	Democratic	1,757,393	46.8%
	Republican	1,867,097	49.8%
	Other	127,995	3.4%

2004	Democratic	1,287,695	40.0%
	Republican	1,864,205	57.9%
	Other	70,390	2.2%

2002	Democratic	932,237	45.9%
	Republican	1,071,468	52.7%
	Other	27,569	1.4%

2000 (S)	Democratic	1,413,224	58.2%
	Republican	920,478	37.9%
	Other	94,540	3.9%

1998	Democratic	791,904	45.1%
	Republican	918,540	52.4%
	Other	43,509	2.5%

1996	Democratic	1,103,993	48.9%
	Republican	1,073,969	47.5%
	Other	81,262	3.6%

1992	Democratic	1,108,416	49.2%
	Republican	1,073,282	47.7%
	Other	69,889	3.1%

1990	Democratic	1,033,439	100.0%
	Republican	0	0.0%

1986	Democratic	623,707	50.9%
	Republican	601,241	49.1%

1984	Democratic	1,344,104	79.9%
	Republican	337,196	20.1%

1980	Democratic	776,143	49.1%
	Republican	803,686	50.9%

1978	Democratic	536,320	83.1%
	Republican	108,808	16.9%

1972	Democratic	636,060	54.0%
	Republican	542,291	46.0%
	Other	391	0.0%

1968	Democratic	885,103	77.5%
	Republican	256,796	22.5%

1962	Democratic	306,250	100.0%
	Republican	0	0.0%

1960	Democratic	576,140	99.9%
	Republican	0	0.0%
	Other	355	0.1%