2022	Democratic	1,316,897	65.8%
	Republican	682,293	34.1%
	Other	3,146	0.2%

2018	Democratic	1,491,614	64.9%
	Republican	697,017	30.3%
	Independent	85,964	3.7%
	Other	25,294	1.1%

2016	Democratic	1,659,907	60.9%
	Republican	972,557	35.7%
	Other	93,706	3.4%

2012	Democratic	1,474,028	56.0%
	Republican	693,291	26.3%
	Independent	430,934	16.4%
	Other	34,981	1.3%

2010	Democratic	1,140,531	62.2%
	Republican	655,666	35.8%
	Other	37,661	2.1%

2006	Democratic	965,477	54.2%
	Republican	787,182	44.2%
	Other	28,480	1.6%

2004	Democratic	1,504,691	64.8%
	Republican	783,055	33.7%
	Other	35,437	1.5%

2000	Democratic	1,230,013	63.2%
	Republican	715,178	36.7%
	Other	1,707	0.1%

1998	Democratic	1,062,810	70.5%
	Republican	444,637	29.5%

1994	Democratic	809,125	59.1%
	Republican	559,908	40.9%
	Other	71	0.0%

1992	Democratic	1,307,610	71.0%
	Republican	533,668	29.0%
	Other	83	0.0%

1988	Democratic	999,166	61.8%
	Republican	617,537	38.2%
	Other	362	0.0%

1986	Democratic	675,229	60.7%
	Republican	437,419	39.3%

1982	Democratic	707,356	63.5%
	Republican	407,334	36.5%

1980	Democratic	435,118	33.8%
	Republican	850,970	66.2%

1976	Democratic	772,101	56.6%
	Republican	530,439	38.9%
	Independent	62,750	4.6%

1974	Democratic	374,663	42.7%
	Republican	503,223	57.3%

1970	Democratic	460,422	48.1%
	Republican	484,960	50.7%
	Other	10,988	1.1%

1968	Democratic	443,667	39.1%
	Republican	541,893	47.8%
	Independent	148,467	13.1%

1964	Democratic	678,649	62.8%
	Republican	402,393	37.2%
	Other	7	0.0%

1962	Democratic	439,723	62.0%
	Republican	269,131	38.0%
	Other	1	0.0%

1958	Democratic	367,270	49.0%
	Republican	382,021	51.0%

1956	Democratic	420,108	47.0%
	Republican	473,059	53.0%

1952	Democratic	406,370	47.5%
	Republican	449,823	52.5%

1950	Democratic	283,180	46.0%
	Republican	326,291	53.0%
	Other	6,143	1.0%

1946	Democratic	229,776	50.2%
	Republican	228,162	49.8%

1944	Democratic	344,725	61.7%
	Republican	213,705	38.3%

1940	Democratic	394,239	64.7%
	Republican	203,912	33.5%
	Other	10,824	1.8%

1938	Democratic	357,245	68.3%
	Republican	153,253	29.3%
	Other	12,740	2.4%

1934	Democratic	264,279	56.1%
	Republican	197,643	42.0%
	Other	9,190	2.0%

1932	Democratic	293,389	66.2%
	Republican	138,266	31.2%
	Other	11,413	2.6%

1928	Democratic	214,447	45.2%
	Republican	256,224	54.0%
	Other	3,396	0.7%

1926	Democratic	195,410	57.6%
	Republican	139,995	41.3%
	Other	3,659	1.1%

1922	Democratic	160,947	52.6%
	Republican	139,581	45.6%
	Other	5,387	1.8%

1920	Democratic	169,200	43.3%
	Republican	184,999	47.3%
	Other	37,012	9.5%

1916	Democratic	109,740	47.6%
	Republican	113,662	49.3%
	Other	7,058	3.1%

1914	Democratic	110,204	51.0%
	Republican	94,864	43.9%
	Other	11,065	5.1%