2020	Democratic	2,294,243	56.6%
	Republican	1,749,066	43.1%
	Other	13,145	0.3%

2016	Democratic	1,760,520	54.2%
	Republican	1,476,346	45.5%
	Other	8,416	0.3%

2012	Democratic	1,582,802	51.5%
	Republican	1,488,245	48.5%

2008	Democratic	1,598,738	53.2%
	Republican	1,404,124	46.8%

2004	Democratic	1,373,361	48.9%
	Republican	1,373,232	48.9%
	Other	63,465	2.3%

2000	Democratic	1,441,973	58.4%
	Republican	980,060	39.7%
	Other	47,819	1.9%

1996	Democratic	1,296,492	58.0%
	Republican	940,538	42.0%

1992	Democratic	1,184,315	52.2%
	Republican	1,086,216	47.8%

1988	Democratic	1,166,448	62.2%
	Republican	708,481	37.8%

1984	Democratic	1,006,993	53.3%
	Republican	881,994	46.7%

1980	Democratic	749,813	43.3%
	Republican	981,783	56.7%

1976	Democratic	821,797	53.1%
	Republican	689,739	44.5%
	Other	37,546	2.4%

1972	Democratic	630,613	42.8%
	Republican	747,825	50.8%
	Independent	86,843	5.9%
	Other	7,261	0.5%

1968	Democratic	560,262	44.3%
	Republican	692,378	54.7%
	Other	12,715	1.0%

1964	Democratic	548,692	43.9%
	Republican	697,256	55.8%
	Other	4,326	0.3%

1960	Democratic	611,987	50.3%
	Republican	594,122	48.9%
	Other	9,639	0.8%

1956	Democratic	616,773	54.6%
	Republican	508,041	45.0%
	Other	4,163	0.4%

1952	Democratic	510,675	47.4%
	Republican	567,822	52.6%

1948	Democratic	417,035	47.2%
	Republican	445,958	50.5%
	Other	20,148	2.3%

1944	Democratic	428,834	51.5%
	Republican	400,604	48.1%
	Other	3,045	0.4%

1940	Democratic	386,706	49.5%
	Republican	392,522	50.2%
	Other	2,100	0.3%

1936	Democratic	466,550	69.4%
	Republican	189,141	28.1%
	Other	16,916	2.5%

1932	Democratic	352,215	57.3%
	Republican	207,497	33.8%
	Other	55,056	9.0%

1928	Democratic	214,334	42.7%
	Republican	281,991	56.2%
	Other	5,303	1.1%

1924	Democratic	126,447	32.4%
	Republican	220,162	56.4%
	Independent	40,073	10.3%
	Other	3,622	0.9%

1920	Democratic	66,079	16.5%
	Republican	210,662	52.7%
	Independent	121,371	30.4%
	Other	1,296	0.3%

1916	Democratic	181,645	48.1%
	Republican	167,809	44.4%
	Other	28,148	7.5%

1912	Democratic	97,251	30.6%
	Republican	96,629	30.4%
	Independent	77,731	24.4%
	Other	46,687	14.7%

1908	Democratic	58,126	33.0%
	Republican	110,190	62.6%
	Other	7,825	4.4%

1904	Democratic	59,119	40.9%
	Republican	74,278	51.3%
	Other	11,273	7.8%

1900	Democratic	52,048	48.9%
	Republican	49,860	46.8%
	Other	4,613	4.3%

1896	Democratic	50,849	55.5%
	Republican	38,154	41.7%
	Other	2,542	2.8%

1892	Democratic	28,960	32.2%
	Republican	33,281	37.0%
	Independent	23,750	26.4%
	Other	3,937	4.4%