2020	Democratic	227,191	24.4%
	Republican	583,507	62.7%
	Other	119,314	12.8%

2018	Democratic	269,917	38.6%
	Republican	403,151	57.7%
	Other	25,815	3.7%

2014	Democratic	170,127	31.5%
	Republican	347,636	64.3%
	Independent	15,868	2.9%
	Other	6,706	1.2%

2012	Democratic	332,979	42.2%
	Republican	455,593	57.8%

2008	Democratic	317,456	40.1%
	Republican	455,854	57.5%
	Other	19,201	2.4%

2006	Democratic	378,388	63.9%
	Republican	213,928	36.1%

2002	Democratic	70,290	14.6%
	Republican	397,438	82.8%
	Other	12,489	2.6%

2000	Democratic	353,093	51.0%
	Republican	337,977	48.8%
	Other	1,280	0.2%

1996	Democratic	281,904	41.7%
	Republican	379,933	56.1%
	Other	14,952	2.2%

1994	Democratic	317,297	54.8%
	Republican	260,668	45.0%
	Other	1,240	0.2%

1990	Democratic	349,779	58.9%
	Republican	243,013	40.9%
	Other	1,036	0.2%

1988	Democratic	378,717	56.7%
	Republican	278,250	41.7%
	Other	10,893	1.6%

1984	Democratic	332,217	51.9%
	Republican	307,147	48.0%
	Other	304	0.0%

1982	Democratic	363,320	66.6%
	Republican	155,760	28.5%
	Independent	26,443	4.8%
	Other	94	0.0%

1978	Democratic	334,276	67.6%
	Republican	159,806	32.3%
	Other	286	0.1%

1976	Democratic	313,805	52.9%
	Republican	279,284	47.1%

1972	Democratic	265,922	46.8%
	Republican	301,841	53.1%
	Other	817	0.1%

1970	Democratic	217,681	47.4%
	Republican	240,894	52.5%
	Other	391	0.1%

1966	Democratic	187,950	38.8%
	Republican	295,926	61.2%

1964	Democratic	217,605	38.6%
	Republican	345,772	61.4%
	Other	24	0.0%

1960	Democratic	245,837	41.1%
	Republican	352,748	58.9%
	Other	158	0.0%

1958	Democratic	185,152	44.4%
	Republican	232,227	55.6%
	Other	6	0.0%

1936	Democratic	108,390	18.4%
	Republican	223,276	37.8%
	Other	258,700	43.8%

1930	Democratic	172,795	39.7%
	Republican	247,114	56.8%
	Independent	14,884	3.4%

1924	Democratic	165,370	37.6%
	Republican	274,647	62.4%
	Other	14	0.0%