2020	Democratic	1,242,505	40.9%
	Republican	1,729,863	56.9%
	Independent	0	0.0%
	Other	67,413	2.2%

2016	Democratic	1,033,126	37.4%
	Republican	1,557,286	56.4%
	Independent	0	0.0%
	Other	169,963	6.2%

2012	Democratic	1,154,275	43.8%
	Republican	1,422,872	54.0%
	Other	55,996	2.1%

2008	Democratic	1,374,039	49.8%
	Republican	1,345,648	48.8%
	Other	36,971	1.3%

2004	Democratic	969,011	39.3%
	Republican	1,479,438	59.9%
	Other	19,553	0.8%

2000	Democratic	901,980	41.0%
	Republican	1,245,836	56.6%
	Independent	18,531	0.8%
	Other	32,955	1.5%

1996	Democratic	887,424	41.5%
	Republican	1,006,693	47.1%
	Independent	224,299	10.5%
	Other	17,426	0.8%

1992	Democratic	848,420	36.8%
	Republican	989,375	42.9%
	Independent	455,934	19.8%
	Other	12,142	0.5%

1988	Democratic	860,643	39.7%
	Republican	1,297,763	59.8%
	Other	10,215	0.5%

1984	Democratic	841,481	37.7%
	Republican	1,377,230	61.7%
	Other	14,358	0.6%

1980	Democratic	844,197	37.7%
	Republican	1,255,656	56.0%
	Independent	111,639	5.0%
	Other	30,541	1.4%

1976	Democratic	1,014,714	45.7%
	Republican	1,183,958	53.3%
	Other	21,690	1.0%

1972	Democratic	708,568	33.3%
	Republican	1,405,154	66.1%
	Other	11,807	0.6%

1968	Democratic	806,659	38.0%
	Republican	1,067,885	50.3%
	Independent	243,108	11.4%
	Other	5,945	0.3%

1964	Democratic	1,170,848	56.0%
	Republican	911,118	43.6%
	Independent	0	0.0%
	Other	9,640	0.5%

1960	Democratic	952,358	44.6%
	Republican	1,175,120	55.0%
	Independent	0	0.0%
	Other	7,882	0.4%

1956	Democratic	783,908	39.7%
	Republican	1,182,811	59.9%
	Independent	0	0.0%
	Other	7,888	0.4%

1952	Democratic	801,530	41.0%
	Republican	1,136,259	58.1%
	Other	17,536	0.9%

1948	Democratic	807,833	48.8%
	Republican	821,079	49.6%
	Independent	0	0.0%
	Other	27,302	1.6%

1944	Democratic	781,403	46.7%
	Republican	875,891	52.4%
	Other	14,797	0.9%

1940	Democratic	874,063	49.0%
	Republican	899,466	50.5%
	Other	9,218	0.5%

1936	Democratic	934,974	56.6%
	Republican	691,570	41.9%
	Other	24,353	1.5%

1932	Democratic	862,054	54.7%
	Republican	677,184	42.9%
	Other	37,689	2.4%

1928	Democratic	562,691	39.6%
	Republican	848,290	59.7%
	Other	10,333	0.7%

1924	Democratic	492,245	38.7%
	Republican	703,042	55.3%
	Independent	71,700	5.6%
	Other	5,403	0.4%

1920	Democratic	511,364	40.5%
	Republican	696,370	55.1%
	Other	55,230	4.4%

1916	Democratic	334,063	46.5%
	Republican	341,005	47.4%
	Other	43,780	6.1%

1912	Democratic	281,890	43.1%
	Republican	151,267	23.1%
	Independent	162,007	24.8%
	Other	59,310	9.1%

1908	Democratic	338,262	46.9%
	Republican	348,993	48.4%
	Other	33,871	4.7%

1904	Democratic	274,345	40.2%
	Republican	368,289	54.0%
	Other	39,551	5.8%

1900	Democratic	309,584	46.6%
	Republican	336,063	50.6%
	Other	18,447	2.8%

1896	Democratic	305,573	48.0%
	Republican	323,754	50.8%
	Other	7,792	1.2%

1892	Democratic	262,740	47.5%
	Republican	255,615	46.2%
	Independent	22,208	4.0%
	Other	13,050	2.4%

1888	Democratic	261,013	48.6%
	Republican	263,361	49.0%
	Other	12,575	2.3%

1884	Democratic	245,005	49.5%
	Republican	238,489	48.1%
	Other	11,838	2.4%

1880	Democratic	225,522	47.9%
	Republican	232,164	49.3%
	Other	12,986	2.8%

1876	Democratic	213,526	48.6%
	Republican	208,011	47.4%
	Other	17,374	4.0%

1872	Democratic	163,632	46.6%
	Republican	186,147	53.0%
	Other	1,417	0.4%

1868	Democratic	166,980	48.6%
	Republican	176,552	51.4%

1864	Democratic	130,233	46.4%
	Republican	150,422	53.6%

1860	Democratic	115,509	42.4%
	Republican	139,033	51.1%
	Independent	12,295	4.5%
	Other	5,306	1.9%

1856	Democratic	118,670	50.4%
	Republican	94,375	40.1%
	Independent	22,386	9.5%