2020	Democratic	442,754	30.1%
	Republican	918,754	62.4%
	Other	110,496	7.5%

2016	Democratic	323,349	28.7%
	Republican	750,850	66.7%
	Other	50,836	4.5%

2012	Democratic	277,622	27.6%
	Republican	688,592	68.4%
	Other	40,310	4.0%

2010	Democratic	205,246	31.9%
	Republican	412,151	64.1%
	Other	25,910	4.0%

2008	Democratic	186,503	19.7%
	Republican	734,049	77.6%
	Other	24,973	2.6%

2004	Democratic	380,359	41.3%
	Republican	531,190	57.7%
	Other	8,411	0.9%

2000	Democratic	321,979	42.3%
	Republican	424,837	55.8%
	Other	14,990	2.0%

1996	Democratic	156,616	23.3%
	Republican	503,693	75.0%
	Other	11,570	1.7%

1992	Democratic	177,181	23.2%
	Republican	321,713	42.2%
	Independent	255,753	33.5%
	Other	7,889	1.0%

1988	Democratic	249,321	38.4%
	Republican	260,462	40.1%
	Independent	136,651	21.1%
	Other	2,680	0.4%

1984	Democratic	275,669	43.8%
	Republican	351,792	55.9%
	Other	2,158	0.3%

1980	Democratic	330,974	55.2%
	Republican	266,578	44.4%
	Other	2,467	0.4%

1976	Democratic	280,706	52.0%
	Republican	248,027	46.0%
	Other	10,916	2.0%

1972	Democratic	331,998	69.7%
	Republican	144,449	30.3%

1968	Democratic	289,283	68.7%
	Republican	131,729	31.3%

1964	Democratic	226,956	57.0%
	Republican	171,300	43.0%

1960	Democratic	175,855	47.3%
	Republican	195,634	52.7%

1948	Democratic	123,814	45.0%
	Republican	151,253	55.0%

1944	Democratic	123,907	50.2%
	Republican	122,851	49.8%

1940	Democratic	128,519	52.1%
	Republican	117,713	47.7%
	Other	580	0.2%

1928	Democratic	102,953	58.5%
	Republican	72,306	41.1%
	Other	733	0.4%

1924	Democratic	81,308	53.0%
	Republican	72,127	47.0%

1920	Democratic	55,148	38.4%
	Republican	83,283	58.0%
	Other	5,143	3.6%

1916	Democratic	78,502	55.5%
	Republican	59,522	42.1%
	Other	3,371	2.4%

1912	Democratic	36,076	32.4%
	Republican	42,552	38.2%
	Independent	23,591	21.2%
	Other	9,276	8.3%

1908	Democratic	43,266	38.8%
	Republican	52,913	47.4%
	Independent	11,404	10.2%
	Other	3,936	3.5%