2020	Democratic	117,790	34.0%
	Republican	227,583	65.6%
	Other	1,533	0.4%

2016	Democratic	95,191	29.3%
	Republican	204,733	62.9%
	Other	25,320	7.8%

2012	Democratic	101,795	34.0%
	Republican	197,041	65.8%
	Other	470	0.2%

2008	Democratic	113,423	38.5%
	Republican	180,828	61.5%

2004	Democratic	128,477	43.7%
	Republican	165,759	56.3%

2000	Democratic	138,538	50.7%
	Republican	134,487	49.3%

1996	Democratic	138,616	54.5%
	Republican	115,750	45.5%

1992	Democratic	148,889	51.5%
	Republican	140,440	48.5%

1988	Democratic	156,896	54.8%
	Republican	129,325	45.2%

1984	Democratic	149,689	50.5%
	Republican	146,837	49.5%

1980	Democratic	136,523	49.7%
	Republican	138,314	50.3%

1976	Democratic	155,214	57.6%
	Republican	114,298	42.4%

1972	Democratic	130,211	50.9%
	Republican	125,856	49.1%

1968	Democratic	107,953	48.0%
	Republican	113,692	50.5%
	Other	3,376	1.5%

1964	Democratic	124,062	50.9%
	Republican	119,448	49.1%

1962	Democratic	99,159	46.5%
	Republican	113,886	53.5%

1960	Democratic	114,954	45.1%
	Republican	140,041	54.9%

1958	Democratic	90,394	45.5%
	Republican	108,094	54.5%

1956	Democratic	93,205	39.7%
	Republican	141,603	60.3%

1954	Democratic	61,275	33.5%
	Republican	121,808	66.5%

1952	Democratic	42,358	18.4%
	Republican	187,814	81.6%

1950	Democratic	47,636	27.0%
	Republican	128,550	73.0%