2022	Democratic	388,592	55.3%
	Republican	314,023	44.7%

2018	Democratic	427,583	61.8%
	Republican	231,296	33.4%
	Other	32,931	4.8%

2014	Democratic	295,008	58.3%
	Republican	211,303	41.7%

2010	Democratic	317,523	53.6%
	Republican	275,255	46.4%

2006	Democratic	318,000	56.8%
	Republican	241,715	43.2%

2002	Democratic	273,175	57.1%
	Republican	179,718	37.6%
	Other	25,191	5.3%

1998	Democratic	250,487	51.4%
	Republican	236,446	48.6%

1994	Democratic	277,225	60.9%
	Republican	177,822	39.1%

1990	Democratic	265,582	67.6%
	Republican	127,364	32.4%

1986	Democratic	185,627	49.9%
	Republican	186,317	50.1%

1982	Democratic	234,184	61.6%
	Republican	146,264	38.4%

1978	Democratic	206,140	100.0%
	Republican	0	0.0%

1974	Democratic	157,463	51.0%
	Republican	151,121	49.0%

1970	Democratic	161,628	60.1%
	Republican	107,247	39.9%

1968	Democratic	161,441	53.7%
	Republican	139,056	46.3%

1966	Democratic	127,473	51.4%
	Republican	120,429	48.6%
	Other	5	0.0%

1964	Democratic	187,826	60.9%
	Republican	120,721	39.1%
	Other	1	0.0%

1962	Democratic	140,694	59.3%
	Republican	96,670	40.7%

1960	Democratic	175,144	59.5%
	Republican	119,052	40.5%

1958	Democratic	123,882	63.1%
	Republican	72,326	36.9%

1956	Democratic	130,385	53.5%
	Republican	113,488	46.5%

1954	Democratic	116,886	61.5%
	Republican	73,324	38.5%

1952	Democratic	122,026	51.7%
	Republican	113,821	48.3%

1950	Democratic	96,022	54.5%
	Republican	80,100	45.5%

1948	Democratic	107,870	57.8%
	Republican	78,666	42.2%

1946	Democratic	70,345	54.3%
	Republican	59,278	45.7%

1944	Democratic	79,727	54.9%
	Republican	65,401	45.1%

1942	Democratic	61,334	58.0%
	Republican	44,385	42.0%

1940	Democratic	109,744	60.4%
	Republican	72,019	39.6%

1938	Democratic	85,220	55.7%
	Republican	67,727	44.3%

1936	Democratic	106,598	63.3%
	Republican	61,884	36.7%

1934	Democratic	82,816	57.0%
	Republican	62,573	43.0%

1932	Democratic	91,121	61.3%
	Republican	56,841	38.2%
	Other	677	0.5%

1930	Democratic	62,153	53.6%
	Republican	53,473	46.1%
	Other	293	0.3%

1928	Democratic	52,689	45.1%
	Republican	64,030	54.9%
	Other	1	0.0%

1926	Democratic	53,622	50.0%
	Republican	53,609	50.0%

1924	Democratic	56,144	49.3%
	Republican	54,376	47.8%
	Independent	3,338	2.9%

1922	Democratic	59,435	54.5%
	Republican	48,777	44.7%
	Other	915	0.8%

1920	Democratic	49,078	46.6%
	Republican	55,282	52.4%
	Other	1,052	1.0%

1918	Democratic	22,275	47.5%
	Republican	24,160	51.5%
	Other	488	1.0%

1916	Democratic	32,716	50.1%
	Republican	32,481	49.7%
	Other	133	0.2%