2020	Democratic	5,297,045	47.8%
	Republican	5,668,731	51.1%
	Independent	0	0.0%
	Other	125,982	1.1%

2016	Democratic	4,504,975	47.4%
	Republican	4,617,886	48.6%
	Independent	0	0.0%
	Other	379,886	4.0%

2012	Democratic	4,237,756	49.9%
	Republican	4,163,447	49.0%
	Other	90,972	1.1%

2008	Democratic	4,282,367	50.9%
	Republican	4,046,219	48.1%
	Other	83,662	1.0%

2004	Democratic	3,583,544	47.1%
	Republican	3,964,522	52.1%
	Other	61,744	0.8%

2000	Democratic	2,912,253	48.8%
	Republican	2,912,790	48.8%
	Independent	97,488	1.6%
	Other	40,579	0.7%

1996	Democratic	2,546,870	48.0%
	Republican	2,244,536	42.3%
	Independent	483,870	9.1%
	Other	28,518	0.5%

1992	Democratic	2,072,698	39.0%
	Republican	2,173,310	40.9%
	Independent	1,053,067	19.8%
	Other	15,317	0.3%

1988	Democratic	1,656,701	38.5%
	Republican	2,618,885	60.9%
	Other	26,727	0.6%

1984	Democratic	1,448,816	34.7%
	Republican	2,730,350	65.3%
	Other	885	0.0%

1980	Democratic	1,419,475	38.5%
	Republican	2,046,951	55.5%
	Independent	189,692	5.1%
	Other	30,908	0.8%

1976	Democratic	1,636,000	51.9%
	Republican	1,469,531	46.6%
	Other	45,100	1.4%

1972	Democratic	718,117	27.8%
	Republican	1,857,759	71.9%
	Other	7,407	0.3%

1968	Democratic	676,794	30.9%
	Republican	886,804	40.5%
	Independent	624,207	28.5%

1964	Democratic	948,540	51.1%
	Republican	905,941	48.9%
	Independent	0	0.0%

1960	Democratic	748,700	48.5%
	Republican	795,476	51.5%
	Independent	0	0.0%

1956	Democratic	480,371	42.7%
	Republican	643,849	57.3%
	Independent	0	0.0%

1952	Democratic	444,950	45.0%
	Republican	544,036	55.0%
	Other	351	0.0%

1948	Democratic	281,988	48.8%
	Republican	194,280	33.6%
	Independent	89,755	15.5%
	Other	11,620	2.0%

1944	Democratic	339,377	70.3%
	Republican	143,215	29.7%

1940	Democratic	359,334	74.0%
	Republican	126,158	26.0%

1936	Democratic	249,117	76.1%
	Republican	78,248	23.9%
	Other	67	0.0%

1932	Democratic	206,307	74.7%
	Republican	69,170	25.0%
	Other	775	0.3%

1928	Democratic	101,764	40.1%
	Republican	144,168	56.8%
	Other	7,742	3.1%

1924	Democratic	62,083	56.9%
	Republican	30,633	28.1%
	Independent	8,625	7.9%
	Other	7,813	7.2%

1920	Democratic	90,515	62.1%
	Republican	44,853	30.8%
	Other	10,313	7.1%

1916	Democratic	55,984	69.3%
	Republican	14,611	18.1%
	Other	10,139	12.6%

1912	Democratic	35,343	69.5%
	Republican	4,279	8.4%
	Independent	4,555	9.0%
	Other	6,660	13.1%

1908	Democratic	31,104	63.0%
	Republican	10,654	21.6%
	Other	7,602	15.4%

1904	Democratic	27,046	68.8%
	Republican	8,314	21.2%
	Other	3,949	10.0%

1900	Democratic	28,273	71.3%
	Republican	7,355	18.6%
	Other	4,021	10.1%

1896	Democratic	32,756	70.5%
	Republican	11,298	24.3%
	Other	2,434	5.2%

1892	Democratic	30,153	85.0%
	Republican	0	0.0%
	Independent	4,843	13.7%
	Other	475	1.3%

1888	Democratic	39,557	59.5%
	Republican	26,529	39.9%
	Other	414	0.6%

1884	Democratic	31,769	53.0%
	Republican	28,031	46.7%
	Other	190	0.3%

1880	Democratic	27,964	54.2%
	Republican	23,654	45.8%

1876	Democratic	22,927	49.0%
	Republican	23,849	51.0%

1872	Democratic	15,427	46.5%
	Republican	17,763	53.5%

1860	Democratic	223	1.7%
	Republican	0	0.0%
	Independent	8,277	62.2%
	Other	4,801	36.1%

1856	Democratic	6,358	56.8%
	Republican	0	0.0%
	Independent	4,833	43.2%