2020	Democratic	111,243	32.1%
	Republican	234,293	67.7%
	Other	579	0.2%

2016	Democratic	0	0.0%
	Republican	236,751	76.6%
	Other	72,241	23.4%

2012	Democratic	112,803	37.3%
	Republican	188,859	62.5%
	Other	515	0.2%

2008	Democratic	116,269	39.3%
	Republican	179,897	60.7%

2004	Democratic	104,857	35.7%
	Republican	189,145	64.3%

2000	Democratic	107,505	39.4%
	Republican	165,026	60.6%

1996	Democratic	116,864	45.4%
	Republican	140,596	54.6%

1992	Democratic	106,538	37.0%
	Republican	181,459	63.0%

1988	Democratic	139,230	48.7%
	Republican	146,718	51.3%

1984	Democratic	137,570	45.9%
	Republican	161,908	54.1%

1980	Democratic	106,115	38.2%
	Republican	171,526	61.8%

1976	Democratic	130,864	49.2%
	Republican	134,863	50.8%

1972	Democratic	91,727	36.5%
	Republican	159,692	63.5%

1968	Democratic	82,061	36.1%
	Republican	142,182	62.5%
	Other	3,222	1.4%

1964	Democratic	117,056	47.7%
	Republican	128,495	52.3%

1962	Democratic	94,323	43.6%
	Republican	121,842	56.4%

1960	Democratic	116,855	45.4%
	Republican	140,334	54.6%

1958	Democratic	89,787	45.6%
	Republican	106,975	54.4%

1956	Democratic	97,077	41.4%
	Republican	137,451	58.6%

1954	Democratic	55,587	29.1%
	Republican	135,353	70.9%

1952	Democratic	43,513	17.5%
	Republican	205,500	82.5%

1950	Democratic	0	0.0%
	Republican	150,385	100.0%

1918	Democratic	30,430	35.6%
	Republican	54,993	64.4%