2022	Democratic	436,746	30.9%
	Republican	942,154	66.6%
	Other	35,338	2.5%

2020	Democratic	920,478	39.7%
	Republican	1,392,076	60.1%
	Other	3,891	0.2%

2016	Democratic	748,709	35.9%
	Republican	1,335,104	64.0%
	Other	3,631	0.2%

2014	Democratic	0	0.0%
	Republican	795,606	97.3%
	Other	22,484	2.7%

2010	Democratic	515,619	34.7%
	Republican	968,181	65.2%
	Other	1,699	0.1%

2008	Democratic	752,391	36.5%
	Republican	1,305,383	63.4%
	Other	2,417	0.1%

2004	Democratic	595,018	32.4%
	Republican	1,242,200	67.5%
	Other	1,848	0.1%

2002	Democratic	538,878	39.8%
	Republican	792,561	58.6%
	Other	21,584	1.6%

1998	Democratic	474,568	36.7%
	Republican	817,973	63.2%
	Other	864	0.1%

1996	Democratic	681,651	45.5%
	Republican	786,436	52.5%
	Other	31,306	2.1%

1992	Democratic	1,022,698	64.8%
	Republican	522,015	33.1%
	Other	33,086	2.1%

1990	Democratic	717,814	60.6%
	Republican	467,190	39.4%
	Other	150	0.0%

1986	Democratic	609,360	50.3%
	Republican	602,537	49.7%

1984	Democratic	857,535	62.7%
	Republican	498,508	36.4%
	Other	12,191	0.9%

1980	Democratic	610,175	47.1%
	Republican	650,363	50.2%
	Other	36,220	2.8%

1974	Democratic	501,541	95.8%
	Republican	0	0.0%
	Independent	21,749	4.2%

1972	Democratic	654,491	62.3%
	Republican	347,523	33.1%
	Independent	31,421	3.0%
	Other	17,664	1.7%

1968	Democratic	638,774	70.0%
	Republican	201,227	22.0%
	Independent	72,699	8.0%

1966	Democratic	482,138	60.1%
	Republican	313,018	39.0%
	Other	7,444	0.9%

1962	Democratic	201,937	50.9%
	Republican	195,134	49.1%
	Other	8	0.0%

1960	Democratic	389,196	70.2%
	Republican	164,868	29.8%
	Other	17	0.0%

1914	Democratic	63,389	78.1%
	Republican	12,320	15.2%
	Independent	4,263	5.3%
	Other	1,161	1.4%