2022	Democratic	370,168	52.0%
	Republican	324,701	45.6%
	Other	17,387	2.4%

2018	Democratic	398,368	57.2%
	Republican	298,091	42.8%

2014	Democratic	219,362	42.8%
	Republican	293,443	57.2%

2010	Democratic	280,614	46.5%
	Republican	321,219	53.3%
	Other	993	0.2%

2006	Democratic	384,806	68.8%
	Republican	174,364	31.2%

2002	Democratic	268,693	55.5%
	Republican	189,074	39.0%
	Other	26,466	5.5%

1998	Democratic	226,755	45.5%
	Republican	271,948	54.5%

1994	Democratic	186,686	39.9%
	Republican	232,945	49.8%
	Other	47,990	10.3%

1990	Democratic	224,564	54.6%
	Republican	185,692	45.2%
	Other	980	0.2%

1986	Democratic	185,378	47.0%
	Republican	209,455	53.0%

1982	Democratic	215,840	53.0%
	Republican	191,626	47.0%

1978	Democratic	174,631	50.5%
	Republican	170,848	49.5%

1974	Democratic	164,172	50.0%
	Republican	160,430	48.8%
	Other	4,062	1.2%

1970	Democratic	148,835	51.3%
	Republican	134,640	46.4%
	Other	6,889	2.4%

1968	Democratic	157,230	49.3%
	Republican	160,140	50.2%
	Other	1,540	0.5%

1966	Democratic	125,587	48.3%
	Republican	134,625	51.7%
	Other	20	0.0%

1964	Democratic	191,497	60.2%
	Republican	126,540	39.8%
	Other	4	0.0%

1962	Democratic	130,933	53.0%
	Republican	116,184	47.0%
	Other	24	0.0%

1960	Democratic	151,777	49.7%
	Republican	153,765	50.3%
	Other	28	0.0%

1958	Democratic	103,481	50.5%
	Republican	101,567	49.5%

1956	Democratic	120,263	47.8%
	Republican	131,488	52.2%

1954	Democratic	110,583	57.0%
	Republican	83,373	43.0%

1952	Democratic	111,034	46.2%
	Republican	129,116	53.8%

1950	Democratic	83,359	46.3%
	Republican	96,846	53.7%

1948	Democratic	103,969	54.7%
	Republican	86,023	45.3%

1946	Democratic	70,055	52.8%
	Republican	62,575	47.2%

1944	Democratic	76,443	51.8%
	Republican	71,113	48.2%

1942	Democratic	59,258	54.5%
	Republican	49,380	45.5%

1940	Democratic	103,035	55.6%
	Republican	82,306	44.4%

1938	Democratic	82,344	52.2%
	Republican	75,017	47.6%
	Other	270	0.2%

1936	Democratic	98,089	57.5%
	Republican	72,511	42.5%
	Other	72	0.0%

1934	Democratic	78,390	51.9%
	Republican	71,899	47.6%
	Other	766	0.5%

1932	Democratic	83,612	54.8%
	Republican	67,406	44.2%
	Other	1,518	1.0%

1930	Democratic	62,789	53.2%
	Republican	55,026	46.6%
	Other	278	0.2%

1928	Democratic	52,550	44.3%
	Republican	65,967	55.6%
	Other	99	0.1%

1926	Democratic	52,523	48.1%
	Republican	56,294	51.6%
	Other	274	0.3%

1924	Democratic	56,183	48.8%
	Republican	55,984	48.6%
	Independent	2,926	2.5%

1922	Democratic	60,317	54.6%
	Republican	49,363	44.7%
	Other	857	0.8%