2022	Democratic	67,609	28.8%
	Republican	166,517	70.9%
	Other	576	0.2%

2018	Democratic	102,869	32.2%
	Republican	215,633	67.6%
	Other	715	0.2%

2014	Democratic	63,255	25.8%
	Republican	181,678	74.1%
	Other	395	0.2%

2010	Democratic	59,781	25.4%
	Republican	175,627	74.6%
	Other	174	0.1%

2006	Democratic	67,032	31.1%
	Republican	148,194	68.9%

2004	Democratic	82,768	27.5%
	Republican	218,627	72.5%

2000	Democratic	125,466	44.3%
	Republican	157,986	55.7%

1996	Democratic	167,863	63.8%
	Republican	95,164	36.2%

1992	Democratic	186,606	62.4%
	Republican	112,562	37.6%

1988	Democratic	213,554	73.3%
	Republican	77,906	26.7%

1984	Democratic	200,731	65.2%
	Republican	107,191	34.8%

1980	Democratic	138,092	48.1%
	Republican	149,189	51.9%

1976	Democratic	132,300	48.2%
	Republican	141,998	51.8%

1972	Democratic	107,903	42.0%
	Republican	148,789	58.0%

1968	Democratic	99,050	43.1%
	Republican	130,737	56.9%

1964	Democratic	119,721	49.1%
	Republican	124,222	50.9%

1962	Democratic	97,598	45.9%
	Republican	114,991	54.1%

1960	Democratic	114,178	44.0%
	Republican	145,116	56.0%

1958	Democratic	89,670	45.4%
	Republican	107,814	54.6%

1956	Democratic	95,248	40.4%
	Republican	140,420	59.6%

1954	Democratic	58,204	32.5%
	Republican	121,006	67.5%

1952	Democratic	91,637	39.8%
	Republican	138,566	60.2%

1950	Democratic	48,900	28.2%
	Republican	124,738	71.8%