2012	Democratic	1,156,520	47.0%
	Republican	1,301,739	52.9%
	Other	3,077	0.1%

1968	Democratic	654,893	40.7%
	Republican	955,439	59.3%

1966	Democratic	513,781	44.9%
	Republican	629,232	55.1%

1964	Democratic	841,970	51.2%
	Republican	801,141	48.8%

1962	Democratic	605,095	49.5%
	Republican	617,475	50.5%
	Other	89	0.0%

1960	Democratic	806,549	48.2%
	Republican	866,697	51.8%
	Other	12	0.0%

1958	Democratic	587,209	50.3%
	Republican	581,061	49.7%
	Other	40	0.0%

1956	Democratic	684,844	45.4%
	Republican	822,780	54.6%
	Other	43	0.0%

1954	Democratic	535,025	47.4%
	Republican	593,520	52.6%
	Other	106	0.0%

1952	Democratic	564,725	36.1%
	Republican	995,017	63.6%
	Other	3,663	0.2%

1950	Democratic	480,696	43.6%
	Republican	617,668	56.0%
	Other	4,289	0.4%

1948	Democratic	591,732	48.5%
	Republican	602,513	49.4%
	Other	26,611	2.2%

1946	Democratic	372,738	37.7%
	Republican	604,054	61.0%
	Other	12,793	1.3%

1944	Democratic	477,554	38.5%
	Republican	672,462	54.2%
	Independent	79,068	6.4%
	Other	11,301	0.9%

1942	Democratic	119,926	16.2%
	Republican	349,230	47.3%
	Independent	256,851	34.8%
	Other	12,086	1.6%

1940	Democratic	274,016	21.7%
	Republican	575,983	45.6%
	Independent	411,055	32.5%
	Other	2,973	0.2%

1938	Democratic	113,057	12.4%
	Republican	477,084	52.4%
	Independent	313,066	34.4%
	Other	7,846	0.9%

1936	Democratic	289,964	25.9%
	Republican	355,340	31.8%
	Independent	465,918	41.7%
	Other	6,576	0.6%

1934	Democratic	322,873	36.3%
	Republican	196,459	22.1%
	Independent	313,682	35.2%
	Other	57,014	6.4%

1932	Democratic	544,294	51.1%
	Republican	450,966	42.3%
	Independent	63,380	6.0%
	Other	6,381	0.6%

1930	Democratic	141,632	25.3%
	Republican	370,075	66.0%
	Independent	32,107	5.7%
	Other	16,620	3.0%

1928	Democratic	277,497	30.7%
	Republican	582,456	64.5%
	Independent	34,162	3.8%
	Other	9,189	1.0%

1926	Democratic	61,865	12.4%
	Republican	395,235	78.9%
	Independent	34,283	6.8%
	Other	9,530	1.9%

1924	Democratic	215,327	30.0%
	Republican	433,106	60.3%
	Independent	46,660	6.5%
	Other	23,576	3.3%

1922	Democratic	44,847	9.8%
	Republican	351,505	76.6%
	Independent	42,499	9.3%
	Other	20,276	4.4%

1920	Democratic	0	0.0%
	Republican	440,839	76.9%
	Independent	75,457	13.2%
	Other	56,844	9.9%

1918	Democratic	92,889	29.0%
	Republican	165,401	51.7%
	Independent	56,374	17.6%
	Other	5,115	1.6%

1916	Democratic	145,383	35.0%
	Republican	230,293	55.4%
	Independent	31,411	7.6%
	Other	8,309	2.0%

1914	Democratic	118,082	38.4%
	Republican	154,503	50.2%
	Independent	27,062	8.8%
	Other	8,120	2.6%

1912	Democratic	156,010	40.9%
	Republican	178,694	46.8%
	Independent	35,155	9.2%
	Other	11,850	3.1%

1910	Democratic	106,388	33.9%
	Republican	159,719	50.9%
	Independent	39,828	12.7%
	Other	7,734	2.5%

1908	Democratic	159,993	36.1%
	Republican	243,443	54.9%
	Independent	28,460	6.4%
	Other	11,529	2.6%

1906	Democratic	104,392	33.3%
	Republican	174,666	55.7%
	Independent	24,910	7.9%
	Other	9,397	3.0%

1904	Democratic	151,403	33.9%
	Republican	247,160	55.3%
	Independent	28,107	6.3%
	Other	20,440	4.6%

1902	Democratic	135,127	37.9%
	Republican	194,449	54.5%
	Independent	17,064	4.8%
	Other	10,343	2.9%

1900	Democratic	160,044	36.3%
	Republican	263,993	59.8%
	Other	17,168	3.9%

1898	Democratic	126,306	38.7%
	Republican	180,038	55.1%
	Independent	8,267	2.5%
	Other	12,172	3.7%

1896	Democratic	167,640	37.9%
	Republican	265,704	60.0%
	Other	9,426	2.1%

1894	Democratic	137,128	36.9%
	Republican	198,181	53.3%
	Independent	24,676	6.6%
	Other	11,682	3.1%

1892	Democratic	176,860	47.8%
	Republican	170,097	46.0%
	Independent	13,122	3.5%
	Other	10,046	2.7%

1890	Democratic	159,710	52.4%
	Republican	124,736	40.9%
	Independent	13,361	4.4%
	Other	7,159	2.3%

1888	Democratic	154,735	43.6%
	Republican	176,488	49.8%
	Independent	14,533	4.1%
	Other	8,809	2.5%

1886	Democratic	116,424	40.6%
	Republican	131,063	45.7%
	Independent	21,772	7.6%
	Other	17,219	6.0%

1884	Democratic	145,155	45.4%
	Republican	162,037	50.6%
	Independent	8,406	2.6%
	Other	4,320	1.4%

1881	Democratic	69,304	40.3%
	Republican	83,502	48.6%
	Independent	12,247	7.1%
	Other	6,785	3.9%

1879	Democratic	74,437	39.4%
	Republican	101,097	53.5%
	Independent	12,976	6.9%
	Other	448	0.2%

1877	Democratic	71,656	40.3%
	Republican	77,926	43.8%
	Independent	25,745	14.5%
	Other	2,680	1.5%

1875	Democratic	85,437	50.2%
	Republican	84,238	49.5%
	Other	587	0.3%

1873	Democratic	80,212	54.4%
	Republican	67,208	45.6%
	Other	27	0.0%

1871	Democratic	68,807	46.9%
	Republican	77,751	53.0%
	Other	61	0.0%

1869	Democratic	59,728	45.7%
	Republican	69,608	53.3%
	Other	1,284	1.0%

1867	Democratic	68,996	48.4%
	Republican	73,419	51.5%
	Other	10	0.0%

1865	Democratic	48,185	45.2%
	Republican	58,356	54.8%
	Other	11	0.0%

1863	Democratic	49,282	40.5%
	Republican	72,526	59.5%
	Other	19	0.0%

1861	Democratic	44,114	44.5%
	Republican	49,605	50.0%
	Independent	5,131	5.2%
	Other	275	0.3%

1859	Democratic	53,059	47.1%
	Republican	59,606	52.9%
	Other	72	0.1%

1857	Democratic	45,053	50.1%
	Republican	44,844	49.9%
	Other	38	0.0%