2022	Democratic	1,107,037	44.3%
	Republican	1,390,135	55.7%

2018	Democratic	1,052,197	45.7%
	Republican	1,249,120	54.3%

2014	Democratic	0	0.0%
	Republican	1,063,472	100.0%

2010	Democratic	628,436	41.1%
	Republican	795,298	52.1%
	Other	103,604	6.8%

2006	Democratic	627,190	43.3%
	Republican	821,138	56.7%

2002	Democratic	568,694	48.8%
	Republican	597,435	51.2%

1998	Democratic	0	0.0%
	Republican	714,739	80.6%
	Other	171,769	19.4%

1994	Democratic	398,892	37.9%
	Republican	582,367	55.4%
	Other	69,863	6.6%

1990	Democratic	437,470	44.1%
	Republican	554,539	55.9%

1986	Democratic	368,236	46.2%
	Republican	429,614	53.8%

1982	Democratic	321,239	48.9%
	Republican	335,044	51.1%

1978	Democratic	183,740	37.0%
	Republican	284,181	57.2%
	Other	28,652	5.8%

1974	Democratic	250,892	48.9%
	Republican	262,126	51.1%

1970	Democratic	169,247	44.0%
	Republican	215,607	56.0%

1968	Democratic	173,092	39.1%
	Republican	269,637	60.9%

1966	Democratic	163,442	47.1%
	Republican	183,787	52.9%

1964	Democratic	281,325	100.0%
	Republican	0	0.0%

1962	Democratic	185,199	56.0%
	Republican	145,587	44.0%

1960	Democratic	211,613	57.6%
	Republican	155,471	42.4%

1958	Democratic	164,590	62.6%
	Republican	98,379	37.4%

1956	Democratic	159,352	59.0%
	Republican	110,683	41.0%

1954	Democratic	161,425	100.0%
	Republican	0	0.0%

1952	Democratic	134,267	54.9%
	Republican	110,511	45.1%

1950	Democratic	113,225	63.0%
	Republican	66,449	37.0%

1948	Democratic	108,287	66.3%
	Republican	53,423	32.7%
	Other	1,505	0.9%

1946	Democratic	73,450	64.3%
	Republican	40,106	35.1%
	Other	705	0.6%

1944	Democratic	90,260	71.8%
	Republican	35,529	28.2%

1942	Democratic	63,738	80.2%
	Republican	15,688	19.8%

1940	Democratic	109,972	78.9%
	Republican	28,456	20.4%
	Other	903	0.6%

1938	Democratic	81,896	79.0%
	Republican	21,791	21.0%

1936	Democratic	88,437	81.1%
	Republican	20,626	18.9%

1934	Democratic	65,574	72.1%
	Republican	23,478	25.8%
	Other	1,930	2.1%

1932	Democratic	76,418	72.1%
	Republican	28,969	27.3%
	Other	620	0.6%

1930	Democratic	52,660	63.2%
	Republican	30,624	36.8%

1928	Democratic	46,585	57.8%
	Republican	34,067	42.2%

1926	Democratic	49,247	100.0%
	Republican	0	0.0%

1924	Democratic	40,411	62.2%
	Republican	24,596	37.8%

1922	Democratic	36,493	61.2%
	Republican	23,117	38.8%

1920	Democratic	32,292	53.0%
	Republican	28,637	47.0%

1918	Democratic	27,465	61.3%
	Republican	16,302	36.4%
	Other	1,021	2.3%

1916	Democratic	27,910	54.7%
	Republican	19,925	39.0%
	Independent	3,231	6.3%

1914	Democratic	27,159	62.7%
	Republican	11,796	27.2%
	Independent	4,341	10.0%