2020	Democratic	2,382,202	65.6%
	Republican	1,167,202	32.1%
	Independent	0	0.0%
	Other	81,998	2.3%

2016	Democratic	1,995,196	60.0%
	Republican	1,090,893	32.8%
	Independent	2,719	0.1%
	Other	236,238	7.1%

2012	Democratic	1,921,761	60.7%
	Republican	1,188,460	37.5%
	Other	57,546	1.8%

2008	Democratic	1,904,098	61.8%
	Republican	1,108,854	36.0%
	Other	68,117	2.2%

2004	Democratic	1,803,800	61.9%
	Republican	1,071,109	36.8%
	Other	37,479	1.3%

2000	Democratic	1,616,487	59.8%
	Republican	878,502	32.5%
	Independent	173,564	6.4%
	Other	34,431	1.3%

1996	Democratic	1,571,763	61.5%
	Republican	718,107	28.1%
	Independent	227,217	8.9%
	Other	39,698	1.6%

1992	Democratic	1,318,662	47.5%
	Republican	805,049	29.0%
	Independent	632,312	22.8%
	Other	17,551	0.6%

1988	Democratic	1,401,415	53.2%
	Republican	1,194,635	45.4%
	Other	36,755	1.4%

1984	Democratic	1,239,606	48.4%
	Republican	1,310,936	51.2%
	Other	8,911	0.3%

1980	Democratic	1,053,802	41.7%
	Republican	1,057,631	41.9%
	Independent	382,539	15.2%
	Other	30,326	1.2%

1976	Democratic	1,429,475	56.1%
	Republican	1,030,276	40.4%
	Other	87,807	3.4%

1972	Democratic	1,332,540	54.2%
	Republican	1,112,078	45.2%
	Other	14,138	0.6%

1968	Democratic	1,469,218	63.0%
	Republican	766,844	32.9%
	Independent	87,088	3.7%
	Other	8,602	0.4%

1964	Democratic	1,786,422	76.2%
	Republican	549,727	23.4%
	Independent	0	0.0%
	Other	8,649	0.4%

1960	Democratic	1,487,174	60.2%
	Republican	976,750	39.6%
	Independent	0	0.0%
	Other	5,556	0.2%

1956	Democratic	948,190	40.4%
	Republican	1,393,197	59.3%
	Independent	0	0.0%
	Other	7,119	0.3%

1952	Democratic	1,083,525	45.5%
	Republican	1,292,325	54.2%
	Other	7,548	0.3%

1948	Democratic	1,151,788	54.7%
	Republican	909,370	43.2%
	Independent	0	0.0%
	Other	45,988	2.2%

1944	Democratic	1,035,296	52.8%
	Republican	921,350	47.0%
	Other	4,019	0.2%

1940	Democratic	1,076,522	53.1%
	Republican	939,700	46.4%
	Other	10,771	0.5%

1936	Democratic	942,716	51.2%
	Republican	768,613	41.8%
	Other	129,028	7.0%

1932	Democratic	800,148	50.6%
	Republican	736,959	46.6%
	Other	43,007	2.7%

1928	Democratic	792,758	50.2%
	Republican	775,566	49.2%
	Other	9,499	0.6%

1924	Democratic	280,831	24.9%
	Republican	703,476	62.3%
	Independent	141,225	12.5%
	Other	4,305	0.4%

1920	Democratic	276,691	27.8%
	Republican	681,153	68.5%
	Other	35,874	3.6%

1916	Democratic	247,894	46.6%
	Republican	268,784	50.5%
	Other	15,154	2.8%

1912	Democratic	173,408	35.5%
	Republican	155,948	32.0%
	Independent	142,228	29.1%
	Other	16,473	3.4%

1908	Democratic	155,543	34.0%
	Republican	265,966	58.2%
	Other	35,410	7.7%

1904	Democratic	165,746	37.2%
	Republican	257,822	57.9%
	Other	21,541	4.8%

1900	Democratic	156,997	37.8%
	Republican	238,866	57.6%
	Other	18,941	4.6%

1896	Democratic	105,711	26.3%
	Republican	278,976	69.5%
	Other	16,881	4.2%

1892	Democratic	176,813	45.2%
	Republican	202,814	51.9%
	Independent	3,210	0.8%
	Other	8,191	2.1%

1888	Democratic	151,590	44.0%
	Republican	183,892	53.4%
	Other	8,761	2.5%

1884	Democratic	122,352	40.3%
	Republican	146,724	48.4%
	Other	34,307	11.3%

1880	Democratic	111,720	39.6%
	Republican	165,198	58.5%
	Other	5,347	1.9%

1876	Democratic	108,777	41.9%
	Republican	150,064	57.8%
	Other	779	0.3%

1872	Democratic	59,195	30.7%
	Republican	133,455	69.2%
	Other	214	0.1%

1868	Democratic	59,103	30.2%
	Republican	136,379	69.8%
	Other	26	0.0%

1864	Democratic	48,745	27.8%
	Republican	126,742	72.2%
	Other	3	0.0%

1860	Democratic	34,370	20.2%
	Republican	106,684	62.8%
	Independent	6,163	3.6%
	Other	22,659	13.3%

1856	Democratic	39,244	23.1%
	Republican	108,172	63.6%
	Independent	19,626	11.5%
	Other	3,006	1.8%