2022	Democratic	123,148	35.2%
	Republican	217,035	62.0%
	Other	9,983	2.9%

2018	Democratic	161,454	47.6%
	Republican	172,912	51.0%
	Other	4,848	1.4%

2014	Democratic	70,549	25.4%
	Republican	195,477	70.5%
	Independent	11,377	4.1%

2010	Democratic	122,037	38.5%
	Republican	195,046	61.5%

2006	Democratic	121,226	36.1%
	Republican	206,990	61.7%
	Other	7,292	2.2%

2002	Democratic	140,263	41.9%
	Republican	189,920	56.8%
	Other	4,376	1.3%

1998	Democratic	85,473	32.9%
	Republican	166,621	64.0%
	Other	8,093	3.1%

1994	Democratic	126,273	40.5%
	Republican	172,515	55.4%
	Other	12,825	4.1%

1990	Democratic	105,525	41.1%
	Republican	151,198	58.9%

1986	Democratic	141,898	48.2%
	Republican	152,543	51.8%

1982	Democratic	81,136	29.1%
	Republican	197,429	70.9%

1978	Democratic	112,679	43.4%
	Republican	147,116	56.6%

1974	Democratic	149,151	53.6%
	Republican	129,077	46.4%

1972	Democratic	185,012	60.0%
	Republican	123,165	40.0%

1970	Democratic	131,616	54.8%
	Republican	108,347	45.2%

1968	Democratic	117,314	42.4%
	Republican	159,646	57.6%

1966	Democratic	96,504	42.3%
	Republican	131,710	57.7%

1964	Democratic	140,419	48.3%
	Republican	150,151	51.7%

1962	Democratic	112,438	43.9%
	Republican	143,682	56.1%

1960	Democratic	150,095	49.3%
	Republican	154,530	50.7%

1958	Democratic	132,761	51.4%
	Republican	125,520	48.6%

1956	Democratic	133,198	45.6%
	Republican	158,819	54.4%

1954	Democratic	102,377	43.3%
	Republican	133,878	56.7%

1952	Democratic	86,412	29.8%
	Republican	203,102	70.2%

1950	Democratic	99,062	39.1%
	Republican	154,254	60.9%

1912	Democratic	53,850	45.7%
	Republican	57,160	48.5%
	Other	6,818	5.8%

1896	Democratic	0	0.0%
	Republican	40,868	49.4%
	Independent	41,187	49.8%
	Other	722	0.9%