2018	Democratic	441,925	38.0%
	Republican	720,077	62.0%

2010	Democratic	464,310	45.5%
	Republican	555,740	54.5%

2006	Democratic	474,221	52.0%
	Republican	437,081	48.0%

2002	Democratic	586,871	58.1%
	Republican	422,713	41.9%

1998	Democratic	427,961	50.2%
	Republican	425,327	49.8%

1994	Democratic	472,861	49.3%
	Republican	486,026	50.7%

1986	Democratic	527,907	60.8%
	Republican	299,601	34.5%
	Independent	40,795	4.7%

1974	Democratic	822,026	100.0%
	Republican	0	0.0%

1970	Democratic	712,425	100.0%
	Republican	0	0.0%

1966	Democratic	695,518	100.0%
	Republican	0	0.0%

1962	Democratic	385,036	61.9%
	Republican	237,419	38.1%

1958	Democratic	519,880	100.0%
	Republican	0	0.0%

1954	Democratic	339,971	63.5%
	Republican	195,757	36.5%

1950	Democratic	348,280	62.6%
	Republican	207,705	37.4%

1946	Democratic	244,362	56.4%
	Republican	188,904	43.6%

1942	Democratic	184,073	57.7%
	Republican	134,718	42.3%

1938	Democratic	293,854	68.4%
	Republican	135,993	31.6%

1934	Democratic	338,550	65.8%
	Republican	162,321	31.6%
	Independent	13,267	2.6%

1930	Democratic	276,530	64.3%
	Republican	153,827	35.7%

1926	Democratic	190,214	55.7%
	Republican	151,306	44.3%

1922	Democratic	277,121	61.4%
	Republican	168,847	37.4%
	Other	5,691	1.3%

1918	Democratic	102,138	54.5%
	Republican	77,752	41.5%
	Independent	7,563	4.0%

1914	Democratic	106,828	44.8%
	Republican	74,267	31.1%
	Independent	52,644	22.1%
	Other	4,686	2.0%

1910	Democratic	116,621	49.8%
	Republican	93,778	40.0%
	Independent	23,761	10.1%