2020	Democratic	2,226,418	56.4%
	Republican	1,714,927	43.5%
	Other	3,968	0.1%

2016	Democratic	2,000,804	66.9%
	Republican	0	0.0%
	Other	988,568	33.1%

2012	Democratic	1,564,443	53.5%
	Republican	1,361,010	46.5%

2008	Democratic	1,152,174	40.5%
	Republican	1,689,764	59.5%

2004	Democratic	1,163,964	43.3%
	Republican	1,425,368	53.0%
	Other	100,812	3.7%

2000	Democratic	1,292,887	56.0%
	Republican	883,002	38.2%
	Other	133,746	5.8%

1996	Democratic	1,282,955	60.1%
	Republican	756,639	35.4%
	Other	95,992	4.5%

1992	Democratic	1,190,784	54.9%
	Republican	946,946	43.6%
	Other	32,124	1.5%

1988	Democratic	686,152	38.3%
	Republican	1,103,237	61.7%

1984	Democratic	777,175	43.3%
	Republican	1,019,495	56.7%

1980	Democratic	262,281	15.8%
	Republican	769,116	46.3%
	Independent	631,415	38.0%

1976	Democratic	592,477	40.9%
	Republican	818,084	56.5%
	Other	38,501	2.7%

1972	Democratic	648,339	45.7%
	Republican	771,408	54.3%

1968	Democratic	596,226	49.8%
	Republican	601,594	50.2%

1964	Democratic	790,692	68.1%
	Republican	369,988	31.9%

1960	Democratic	720,385	66.2%
	Republican	368,544	33.8%

1956	Democratic	588,920	56.8%
	Republican	447,914	43.2%

1952	Democratic	487,859	47.5%
	Republican	540,138	52.5%

1948	Democratic	465,805	59.6%
	Republican	316,108	40.4%

1944	Democratic	465,805	59.6%
	Republican	316,108	40.4%

1940	Democratic	432,647	60.7%
	Republican	279,706	39.3%

1936	Democratic	405,450	66.9%
	Republican	198,223	32.7%
	Other	2,035	0.3%

1932	Democratic	304,793	54.4%
	Republican	212,545	37.9%
	Other	42,918	7.7%

1928	Democratic	166,435	37.8%
	Republican	274,357	62.2%
	Other	1	0.0%

1924	Democratic	69,776	20.4%
	Republican	235,702	69.0%
	Independent	34,766	10.2%
	Other	1,254	0.4%

1920	Democratic	59,227	15.8%
	Republican	216,566	57.6%
	Independent	100,175	26.6%

1916	Democratic	139,085	40.2%
	Republican	183,977	53.1%
	Other	23,277	6.7%

1912	Democratic	72,542	25.0%
	Republican	91,789	31.7%
	Independent	85,057	29.4%
	Other	40,344	13.9%

1908	Democratic	55,138	32.3%
	Republican	111,059	65.1%
	Independent	4,358	2.6%
	Other	139	0.1%

1904	Democratic	44,503	32.1%
	Republican	84,409	60.9%
	Independent	8,523	6.1%
	Other	1,236	0.9%

1900	Democratic	45,307	42.9%
	Republican	54,841	52.0%
	Other	5,353	5.1%

1896	Democratic	0	0.0%
	Republican	39,162	42.9%
	Independent	50,462	55.3%
	Other	1,642	1.8%

1892	Democratic	27,907	32.0%
	Republican	35,667	40.9%
	Independent	20,792	23.9%
	Other	2,763	3.2%