2020	Democratic	2,089,159	53.4%
	Republican	1,818,895	46.5%
	Other	3,339	0.1%

2016	Democratic	0	0.0%
	Republican	1,576,580	57.4%
	Independent	1,134,843	41.3%
	Other	37,056	1.3%

2012	Democratic	1,695,401	58.7%
	Republican	1,192,150	41.3%

2008	Democratic	1,420,022	51.1%
	Republican	1,360,063	48.9%

2004	Democratic	1,575,499	60.3%
	Republican	941,754	36.0%
	Independent	96,144	3.7%

2000	Democratic	1,206,969	54.6%
	Republican	905,401	41.0%
	Other	96,910	4.4%

1996	Democratic	1,155,498	55.2%
	Republican	939,578	44.8%

1992	Democratic	1,237,527	59.1%
	Republican	855,671	40.9%

1988	Democratic	915,225	52.1%
	Republican	839,876	47.9%

1984	Democratic	1,030,483	59.7%
	Republican	627,913	36.4%
	Other	66,908	3.9%

1980	Democratic	868,553	54.9%
	Republican	712,936	45.1%

1976	Democratic	996,219	71.2%
	Republican	362,167	25.9%
	Other	41,287	2.9%

1972	Democratic	898,770	66.0%
	Republican	463,610	34.0%

1968	Democratic	752,409	63.8%
	Republican	427,231	36.2%

1964	Democratic	663,163	57.1%
	Republican	497,649	42.9%

1960	Democratic	677,151	62.1%
	Republican	412,419	37.9%

1956	Democratic	566,307	55.0%
	Republican	463,320	45.0%

1952	Democratic	487,814	49.5%
	Republican	498,380	50.5%

1948	Democratic	411,492	52.6%
	Republican	370,752	47.4%

1944	Democratic	411,492	52.6%
	Republican	370,752	47.4%

1940	Democratic	418,751	57.5%
	Republican	310,030	42.5%

1936	Democratic	399,557	64.8%
	Republican	215,382	34.9%
	Other	1,973	0.3%

1932	Democratic	305,905	53.6%
	Republican	222,249	38.9%
	Other	42,855	7.5%

1928	Democratic	132,202	30.2%
	Republican	306,255	69.8%

1924	Democratic	80,873	23.4%
	Republican	227,523	65.8%
	Independent	36,379	10.5%
	Other	1,235	0.4%

1920	Democratic	61,375	16.3%
	Republican	216,215	57.3%
	Independent	99,980	26.5%

1916	Democratic	133,787	38.3%
	Republican	186,304	53.3%
	Other	29,432	8.4%

1912	Democratic	71,583	24.4%
	Republican	95,543	32.5%
	Independent	85,853	29.2%
	Other	40,668	13.8%

1908	Democratic	57,333	33.5%
	Republican	109,232	63.8%
	Independent	4,377	2.6%
	Other	138	0.1%

1904	Democratic	45,571	31.8%
	Republican	85,358	59.5%
	Independent	8,317	5.8%
	Other	4,219	2.9%

1900	Democratic	44,697	42.4%
	Republican	55,395	52.6%
	Other	5,270	5.0%

1896	Democratic	0	0.0%
	Republican	50,493	55.4%
	Independent	39,293	43.1%
	Other	1,308	1.4%

1892	Democratic	28,543	32.6%
	Republican	35,413	40.4%
	Independent	20,990	24.0%
	Other	2,617	3.0%