2022	Democratic	355,763	31.0%
	Republican	744,003	64.9%
	Other	47,226	4.1%

2018	Democratic	406,797	34.5%
	Republican	729,219	61.9%
	Independent	42,174	3.6%

2014	Democratic	258,564	31.5%
	Republican	562,088	68.5%

2010	Democratic	334,711	32.5%
	Republican	659,242	64.0%
	Independent	35,665	3.5%

2006	Democratic	463,753	50.1%
	Republican	439,418	47.5%
	Other	21,684	2.3%

2002	Democratic	400,511	38.9%
	Republican	584,990	56.9%
	Other	42,855	4.2%

1998	Democratic	281,379	32.5%
	Republican	585,712	67.5%

1994	Democratic	435,215	44.2%
	Republican	489,539	49.7%
	Independent	60,384	6.1%

1990	Democratic	537,777	60.9%
	Republican	345,831	39.1%

1986	Democratic	469,781	52.5%
	Republican	425,540	47.5%

1982	Democratic	512,772	61.5%
	Republican	321,265	38.5%

1978	Democratic	413,429	57.8%
	Republican	283,860	39.7%
	Other	17,580	2.5%

1974	Democratic	545,686	72.4%
	Republican	208,445	27.6%

1970	Democratic	382,249	57.4%
	Republican	270,535	40.6%
	Other	12,993	2.0%

1966	Democratic	328,580	51.5%
	Republican	306,053	48.0%
	Other	3,444	0.5%

1962	Democratic	347,851	53.7%
	Republican	299,741	46.3%

1958	Democratic	384,431	76.9%
	Republican	100,068	20.0%
	Independent	15,674	3.1%

1954	Democratic	336,311	58.4%
	Republican	239,335	41.6%

1950	Democratic	340,423	57.9%
	Republican	247,025	42.1%

1946	Democratic	253,261	55.2%
	Republican	202,835	44.2%
	Other	2,692	0.6%

1942	Democratic	195,664	56.8%
	Republican	147,220	42.7%
	Other	1,742	0.5%

1938	Democratic	310,819	68.3%
	Republican	141,911	31.2%
	Other	2,470	0.5%

1934	Democratic	348,617	63.9%
	Republican	182,140	33.4%
	Independent	14,253	2.6%
	Other	922	0.2%

1930	Democratic	286,839	62.5%
	Republican	172,218	37.5%

1926	Democratic	197,783	55.7%
	Republican	155,834	43.9%
	Other	1,592	0.4%

1922	Democratic	284,671	60.8%
	Republican	177,256	37.9%
	Other	6,379	1.4%

1918	Democratic	102,432	54.0%
	Republican	79,448	41.9%
	Independent	7,642	4.0%

1914	Democratic	104,285	42.9%
	Republican	80,419	33.1%
	Independent	53,072	21.8%
	Other	5,127	2.1%

1910	Democratic	118,544	49.3%
	Republican	94,621	39.4%
	Independent	23,974	10.0%
	Other	3,136	1.3%