2020	Democratic	2,260,830	58.0%
	Republican	1,633,956	41.9%
	Other	3,316	0.1%

2016	Democratic	1,597,011	52.2%
	Republican	1,455,771	47.6%
	Other	4,844	0.2%

2012	Democratic	1,512,620	52.9%
	Republican	1,344,137	47.0%
	Other	4,831	0.2%

2008	Democratic	1,770,977	63.5%
	Republican	1,016,396	36.5%

2004	Democratic	1,668,575	63.9%
	Republican	841,772	32.2%
	Independent	101,161	3.9%

2000	Democratic	1,295,745	57.6%
	Republican	829,458	36.9%
	Other	123,058	5.5%

1996	Democratic	1,338,577	64.2%
	Republican	747,378	35.8%

1992	Democratic	1,042,229	50.1%
	Republican	946,621	45.5%
	Other	92,818	4.5%

1988	Democratic	958,206	55.4%
	Republican	770,457	44.6%

1984	Democratic	997,326	58.7%
	Republican	700,948	41.3%

1980	Democratic	921,108	59.7%
	Republican	621,995	40.3%

1976	Democratic	935,402	68.7%
	Republican	380,080	27.9%
	Other	45,573	3.3%

1972	Democratic	867,283	66.5%
	Republican	436,768	33.5%

1968	Democratic	751,618	65.9%
	Republican	389,466	34.1%

1964	Democratic	670,155	59.1%
	Republican	463,508	40.9%

1960	Democratic	716,401	64.3%
	Republican	397,805	35.7%

1956	Democratic	657,011	63.3%
	Republican	380,777	36.7%

1952	Democratic	517,334	52.0%
	Republican	476,791	48.0%

1948	Democratic	450,663	57.4%
	Republican	332,683	42.4%
	Other	1,601	0.2%

1944	Democratic	450,663	57.4%
	Republican	332,683	42.4%
	Other	1,601	0.2%

1940	Democratic	429,547	59.8%
	Republican	288,704	40.2%

1936	Democratic	421,157	68.5%
	Republican	191,974	31.2%
	Other	2,043	0.3%

1932	Democratic	304,650	54.1%
	Republican	214,694	38.1%
	Other	44,201	7.8%

1928	Democratic	0	0.0%
	Republican	319,762	100.0%

1924	Democratic	73,615	21.3%
	Republican	235,673	68.2%
	Independent	35,035	10.1%
	Other	1,346	0.4%

1920	Democratic	0	0.0%
	Republican	226,668	69.1%
	Independent	101,248	30.9%

1916	Democratic	142,265	40.4%
	Republican	181,958	51.7%
	Other	27,823	7.9%

1912	Democratic	71,424	24.5%
	Republican	97,710	33.6%
	Independent	82,160	28.2%
	Other	39,683	13.6%

1908	Democratic	55,932	32.8%
	Republican	110,211	64.6%
	Independent	4,415	2.6%
	Other	140	0.1%

1904	Democratic	42,834	30.4%
	Republican	85,261	60.6%
	Independent	8,384	6.0%
	Other	4,273	3.0%

1900	Democratic	44,577	42.3%
	Republican	55,401	52.5%
	Other	5,497	5.2%

1896	Democratic	0	0.0%
	Republican	50,618	55.6%
	Independent	39,193	43.1%
	Other	1,212	1.3%

1892	Democratic	28,350	32.6%
	Republican	35,414	40.7%
	Independent	20,683	23.8%
	Other	2,622	3.0%