2022	Democratic	1,322,027	51.3%
	Republican	1,196,308	46.5%
	Other	56,296	2.2%

2020 (S)	Democratic	1,716,467	51.2%
	Republican	1,637,661	48.8%
	Other	1,189	0.0%

2018	Democratic	1,191,100	50.0%
	Republican	1,135,200	47.6%
	Other	58,008	2.4%

2016	Democratic	1,031,245	40.7%
	Republican	1,359,267	53.7%
	Other	140,218	5.5%

2012	Democratic	1,036,542	46.2%
	Republican	1,104,457	49.2%
	Other	104,610	4.7%

2010	Democratic	592,011	34.6%
	Republican	1,005,615	58.7%
	Other	115,708	6.8%

2006	Democratic	664,141	43.5%
	Republican	814,398	53.3%
	Other	48,243	3.2%

2004	Democratic	404,507	20.6%
	Republican	1,505,372	76.7%
	Other	51,798	2.6%

2000	Democratic	0	0.0%
	Republican	1,108,196	79.3%
	Independent	109,230	7.8%
	Other	179,650	12.9%

1998	Democratic	275,224	27.2%
	Republican	696,577	68.7%
	Other	41,479	4.1%

1994	Democratic	442,510	39.5%
	Republican	600,999	53.7%
	Other	75,551	6.8%

1992	Democratic	436,321	31.6%
	Republican	771,395	55.8%
	Independent	145,361	10.5%
	Other	28,974	2.1%

1988	Democratic	660,403	56.7%
	Republican	478,060	41.1%
	Other	26,076	2.2%

1986	Democratic	340,965	39.5%
	Republican	521,850	60.5%
	Other	106	0.0%

1982	Democratic	411,970	56.9%
	Republican	291,749	40.3%
	Independent	20,100	2.8%
	Other	66	0.0%

1980	Democratic	422,972	48.4%
	Republican	432,371	49.5%
	Other	18,895	2.2%

1976	Democratic	400,334	54.0%
	Republican	321,236	43.3%
	Other	19,640	2.6%

1974	Democratic	229,523	41.7%
	Republican	320,396	58.3%

1970	Democratic	179,512	44.0%
	Republican	228,284	56.0%

1968	Democratic	205,338	42.8%
	Republican	274,607	57.2%

1964	Democratic	227,712	48.6%
	Republican	241,089	51.4%

1962	Democratic	199,217	54.9%
	Republican	163,388	45.1%

1958	Democratic	129,030	43.9%
	Republican	164,593	56.1%

1956	Democratic	170,816	61.4%
	Republican	107,447	38.6%

1952	Democratic	125,338	48.7%
	Republican	132,063	51.3%

1950	Democratic	116,246	62.8%
	Republican	68,846	37.2%

1946	Democratic	80,415	69.2%
	Republican	35,022	30.1%
	Other	802	0.7%

1944	Democratic	90,335	69.4%
	Republican	39,891	30.6%

1940	Democratic	101,495	71.6%
	Republican	39,657	28.0%
	Other	579	0.4%

1938	Democratic	82,714	76.5%
	Republican	25,378	23.5%

1934	Democratic	67,648	72.0%
	Republican	24,075	25.6%
	Other	2,197	2.3%

1932	Democratic	74,310	66.7%
	Republican	35,737	32.1%
	Other	1,416	1.3%

1928	Democratic	47,013	54.2%
	Republican	39,651	45.8%

1926	Democratic	44,591	58.3%
	Republican	31,845	41.7%

1922	Democratic	39,722	65.0%
	Republican	21,358	35.0%

1920	Democratic	29,169	44.8%
	Republican	35,893	55.2%

1916	Democratic	29,873	55.4%
	Republican	21,261	39.4%
	Independent	2,827	5.2%

1914	Democratic	25,800	53.2%
	Republican	9,183	18.9%
	Independent	7,293	15.0%
	Other	6,190	12.8%