2022	Democratic	64,254	27.5%
	Republican	147,816	63.2%
	Independent	21,517	9.2%
	Other	241	0.1%

2018	Democratic	120,475	39.2%
	Republican	0	0.0%
	Independent	145,275	47.3%
	Other	41,527	13.5%

2014	Democratic	78,474	32.2%
	Republican	152,085	62.4%
	Independent	12,920	5.3%
	Other	278	0.1%

2010	Democratic	87,519	37.5%
	Republican	145,882	62.4%
	Other	222	0.1%

2006	Democratic	98,583	46.1%
	Republican	115,341	53.9%

2004	Democratic	103,236	34.8%
	Republican	193,088	65.2%

2000	Democratic	94,024	34.4%
	Republican	178,950	65.6%

1996	Democratic	105,419	41.4%
	Republican	149,344	58.6%

1992	Democratic	139,860	47.9%
	Republican	151,864	52.1%

1988	Democratic	148,150	52.2%
	Republican	135,836	47.8%

1984	Democratic	140,191	46.1%
	Republican	154,665	50.9%
	Independent	9,034	3.0%

1980	Democratic	86,622	31.0%
	Republican	192,609	69.0%

1976	Democratic	120,067	44.3%
	Republican	150,864	55.7%

1972	Democratic	85,277	33.3%
	Republican	170,765	66.7%

1968	Democratic	78,176	34.2%
	Republican	147,121	64.3%
	Other	3,341	1.5%

1964	Democratic	117,459	47.8%
	Republican	128,170	52.2%

1962	Democratic	95,205	44.2%
	Republican	120,314	55.8%

1960	Democratic	117,138	45.6%
	Republican	139,927	54.4%

1958	Democratic	88,485	44.9%
	Republican	108,619	55.1%

1956	Democratic	93,403	39.8%
	Republican	141,469	60.2%

1954	Democratic	62,059	34.8%
	Republican	116,251	65.2%

1952	Democratic	61,538	25.7%
	Republican	177,989	74.3%

1950	Democratic	48,630	27.5%
	Republican	127,950	72.5%

1918	Democratic	0	0.0%
	Republican	61,894	100.0%