2020	Democratic	968,094	32.1%
	Republican	1,706,727	56.5%
	Other	345,567	11.4%

2016	Democratic	1,235,503	45.4%
	Republican	1,397,396	51.4%
	Other	87,069	3.2%

2012	Democratic	1,201,479	46.5%
	Republican	1,277,642	49.5%
	Other	101,932	3.9%

2008	Democratic	1,082,463	40.0%
	Republican	1,563,885	57.8%
	Other	57,404	2.1%

2004	Democratic	1,113,900	45.5%
	Republican	1,302,912	53.2%
	Other	31,686	1.3%

2000	Democratic	1,232,525	56.6%
	Republican	908,285	41.7%
	Other	38,458	1.8%

1996	Democratic	1,087,128	51.5%
	Republican	986,982	46.8%
	Other	35,937	1.7%

1992	Democratic	1,382,151	62.0%
	Republican	822,533	36.9%
	Other	24,432	1.1%

1988	Democratic	1,138,574	53.2%
	Republican	1,002,207	46.8%

1984	Democratic	1,036,922	47.2%
	Republican	1,146,497	52.2%
	Other	14,569	0.7%

1980	Democratic	913,116	41.9%
	Republican	1,257,383	57.7%
	Other	7,904	0.4%

1976	Democratic	927,243	42.6%
	Republican	1,236,555	56.8%
	Other	11,526	0.5%

1972	Democratic	900,489	42.5%
	Republican	1,203,903	56.8%
	Other	16,455	0.8%

1968	Democratic	965,816	47.1%
	Republican	1,080,271	52.7%
	Other	2,985	0.1%

1964	Democratic	1,164,620	56.2%
	Republican	901,342	43.5%
	Other	6,953	0.3%

1960	Democratic	1,072,717	50.4%
	Republican	1,049,540	49.3%
	Other	6,708	0.3%

1956	Democratic	859,393	44.0%
	Republican	1,086,868	55.6%
	Other	8,029	0.4%

1952	Democratic	841,984	43.6%
	Republican	1,075,685	55.7%
	Other	14,200	0.7%

1948	Democratic	884,995	53.6%
	Republican	745,892	45.1%
	Other	21,424	1.3%

1944	Democratic	802,765	48.2%
	Republican	849,346	51.0%
	Other	14,128	0.8%

1940	Democratic	889,620	49.9%
	Republican	885,657	49.7%
	Other	6,975	0.4%

1936	Democratic	908,494	55.4%
	Republican	727,526	44.3%
	Other	5,054	0.3%

1932	Democratic	862,127	55.0%
	Republican	669,797	42.7%
	Other	34,985	2.2%

1928	Democratic	683,545	48.1%
	Republican	728,203	51.2%
	Other	9,252	0.7%

1924	Democratic	572,303	46.3%
	Republican	654,184	52.9%
	Other	9,792	0.8%

1920	Democratic	515,253	41.2%
	Republican	683,253	54.6%
	Other	52,089	4.2%

1916	Democratic	325,060	46.0%
	Republican	337,831	47.8%
	Independent	22,156	3.1%
	Other	21,580	3.1%

1912	Democratic	275,357	42.9%
	Republican	142,850	22.3%
	Independent	166,124	25.9%
	Other	56,790	8.9%

1908	Democratic	348,849	48.9%
	Republican	334,040	46.9%
	Other	29,816	4.2%

1904	Democratic	274,998	41.0%
	Republican	359,362	53.5%
	Independent	22,690	3.4%
	Other	14,493	2.2%

1900	Democratic	306,368	46.7%
	Republican	331,531	50.5%
	Other	18,066	2.8%

1896	Democratic	294,855	46.8%
	Republican	320,932	50.9%
	Other	14,406	2.3%

1892	Democratic	260,601	47.5%
	Republican	253,625	46.2%
	Independent	22,017	4.0%
	Other	12,960	2.4%

1888	Democratic	260,994	48.6%
	Republican	263,194	49.0%
	Other	12,622	2.4%

1884	Democratic	245,140	49.5%
	Republican	237,748	48.0%
	Other	12,206	2.5%

1880	Democratic	224,452	47.7%
	Republican	231,405	49.2%
	Independent	14,881	3.2%

1876	Democratic	213,219	49.1%
	Republican	208,080	47.9%
	Independent	12,710	2.9%

1872	Democratic	189,424	50.1%
	Republican	188,276	49.8%
	Other	211	0.1%

1868	Democratic	170,614	49.9%
	Republican	171,575	50.1%