2022	Democratic	463,871	45.8%
	Republican	500,994	49.4%
	Other	49,040	4.8%

2018	Democratic	486,381	50.4%
	Republican	421,697	43.7%
	Other	57,865	6.0%

2014	Democratic	183,571	33.6%
	Republican	324,444	59.5%
	Independent	21,221	3.9%
	Other	16,298	3.0%

2010	Democratic	294,564	41.9%
	Republican	360,590	51.3%
	Other	48,341	6.9%

2006	Democratic	228,521	39.6%
	Republican	301,258	52.2%
	Other	46,937	8.1%

2002	Democratic	209,300	41.6%
	Republican	260,468	51.8%
	Other	32,898	6.5%

1998	Democratic	166,716	39.1%
	Republican	214,781	50.3%
	Other	45,416	10.6%

1994	Democratic	154,347	40.7%
	Republican	189,187	49.9%
	Independent	15,827	4.2%
	Other	19,691	5.2%

1990	Democratic	123,889	39.0%
	Republican	173,262	54.6%
	Independent	20,343	6.4%

1986	Democratic	139,299	53.6%
	Republican	114,070	43.9%
	Independent	6,538	2.5%

1982	Democratic	139,058	58.8%
	Republican	78,272	33.1%
	Other	19,362	8.2%

1978	Democratic	83,559	44.1%
	Republican	81,641	43.1%
	Other	24,203	12.8%

1974	Democratic	86,257	51.5%
	Republican	68,563	40.9%
	Independent	12,670	7.6%

1970	Democratic	78,994	54.8%
	Republican	65,078	45.2%

1966	Democratic	63,705	47.0%
	Republican	71,728	53.0%

1962	Democratic	43,262	45.2%
	Republican	52,522	54.8%

1958	Democratic	36,171	43.7%
	Republican	46,618	56.3%

1954	Democratic	31,442	40.2%
	Republican	46,715	59.8%

1950	Democratic	31,356	51.5%
	Republican	29,571	48.5%

1946	Democratic	26,540	54.0%
	Republican	22,602	46.0%

1942	Democratic	26,682	67.2%
	Republican	13,030	32.8%

1938	Democratic	25,034	55.5%
	Republican	20,043	44.5%

1934	Democratic	26,426	64.6%
	Republican	14,494	35.4%

1930	Democratic	13,560	40.6%
	Republican	19,876	59.4%

1926	Democratic	10,943	36.3%
	Republican	19,166	63.7%

1922	Democratic	15,285	55.0%
	Republican	12,517	45.0%

1918	Democratic	14,475	61.2%
	Republican	9,196	38.8%

1914	Democratic	10,128	48.1%
	Republican	7,033	33.4%
	Other	3,917	18.6%

1910	Democratic	9,729	48.4%
	Republican	8,486	42.2%
	Independent	1,887	9.4%

1906	Democratic	6,849	48.0%
	Republican	6,140	43.0%
	Other	1,286	9.0%

1902	Democratic	6,296	57.1%
	Republican	4,728	42.9%

1898	Democratic	2,038	21.1%
	Republican	3,198	33.1%
	Independent	3,663	37.9%
	Other	773	8.0%

1894	Democratic	0	0.0%
	Republican	4,088	40.7%
	Independent	5,967	59.3%

1890	Democratic	5,761	46.6%
	Republican	6,605	53.4%

1886	Democratic	5,452	44.1%
	Republican	6,911	55.9%

1882	Democratic	6,906	48.4%
	Republican	7,362	51.6%

1878	Democratic	9,877	52.3%
	Republican	9,021	47.7%

1874	Democratic	9,529	52.8%
	Republican	7,930	43.9%
	Independent	601	3.3%

1870	Democratic	6,689	50.3%
	Republican	6,620	49.7%

1866	Democratic	3,991	43.3%
	Republican	5,211	56.6%
	Other	6	0.1%

1864	Democratic	6,562	40.1%
	Republican	9,786	59.9%