2022	Democratic	1,254,371	50.4%
	Republican	1,233,556	49.5%
	Other	2,374	0.1%

2018	Democratic	1,249,407	49.0%
	Republican	1,150,459	45.1%
	Independent	145,748	5.7%
	Other	6,158	0.2%

2014	Democratic	1,014,714	52.6%
	Republican	752,543	39.0%
	Other	161,723	8.4%

2010	Democratic	1,075,536	52.9%
	Republican	839,033	41.3%
	Independent	102,895	5.1%
	Other	15,653	0.8%

2006	Democratic	1,131,474	53.2%
	Republican	865,465	40.7%
	Independent	86,032	4.0%
	Other	42,238	2.0%

2002	Democratic	1,197,362	54.6%
	Republican	894,654	40.8%
	Independent	96,817	4.4%
	Other	2,511	0.1%

1998	Democratic	960,048	47.8%
	Republican	879,864	43.8%
	Other	167,411	8.3%

1994	Democratic	1,115,312	66.6%
	Republican	488,753	29.2%
	Other	69,776	4.2%

1990	Democratic	1,126,447	63.2%
	Republican	655,291	36.8%

1986	Democratic	985,569	70.3%
	Republican	399,483	28.5%
	Other	17,193	1.2%

1982	Democratic	1,082,539	61.7%
	Republican	653,162	37.2%
	Other	18,278	1.0%

1978	Democratic	854,360	55.7%
	Republican	615,203	40.1%
	Other	65,667	4.3%

1974	Democratic	786,857	64.3%
	Republican	396,441	32.4%
	Other	40,646	3.3%

1970	Democratic	680,379	51.4%
	Republican	644,435	48.6%

1966	Democratic	586,982	46.8%
	Republican	667,924	53.2%

1962	Democratic	730,783	59.6%
	Republican	494,621	40.4%

1960	Democratic	871,555	58.2%
	Republican	624,769	41.8%

1958	Democratic	627,851	55.7%
	Republican	498,478	44.3%

1956	Democratic	694,694	50.2%
	Republican	688,931	49.8%

1954	Democratic	587,886	52.7%
	Republican	526,761	47.3%

1952	Democratic	560,760	41.4%
	Republican	793,501	58.6%

1950	Democratic	429,320	42.7%
	Republican	575,485	57.3%

1948	Democratic	524,607	45.6%
	Republican	624,891	54.4%
	Other	3	0.0%

1946	Democratic	325,764	38.2%
	Republican	526,331	61.8%

1944	Democratic	437,633	40.2%
	Republican	649,780	59.8%