1966	Democratic	322,613	50.4%
	Republican	304,460	47.6%
	Other	13,175	2.1%

1962	Democratic	303,359	50.9%
	Republican	292,401	49.1%

1958	Democratic	299,835	55.9%
	Republican	236,577	44.1%

1956	Democratic	310,080	49.8%
	Republican	312,026	50.2%

1954	Democratic	248,288	54.1%
	Republican	210,306	45.9%

1952	Democratic	255,754	43.5%
	Republican	332,708	56.5%

1950	Democratic	207,186	47.7%
	Republican	227,217	52.3%

1948	Democratic	266,671	53.9%
	Republican	227,751	46.1%

1946	Democratic	147,105	44.7%
	Republican	182,177	55.3%

1944	Democratic	217,756	45.1%
	Republican	264,772	54.9%

1942	Democratic	145,829	43.4%
	Republican	190,186	56.6%

1940	Democratic	248,897	46.8%
	Republican	278,107	52.3%
	Other	5,136	1.0%

1938	Democratic	218,988	49.5%
	Republican	221,285	50.0%
	Other	2,460	0.6%

1936	Democratic	267,292	57.0%
	Republican	187,611	40.0%
	Other	14,366	3.1%

1934	Democratic	223,906	57.1%
	Republican	156,660	39.9%
	Other	11,687	3.0%

1932	Democratic	232,553	52.9%
	Republican	195,932	44.6%
	Other	10,736	2.4%

1930	Democratic	153,907	49.6%
	Republican	149,018	48.0%
	Other	7,604	2.4%

1928	Democratic	158,798	42.9%
	Republican	201,862	54.5%
	Other	9,632	2.6%

1926	Democratic	132,613	46.3%
	Republican	141,702	49.5%
	Other	11,855	4.1%

1924	Democratic	153,211	47.4%
	Republican	137,064	42.4%
	Independent	28,510	8.8%
	Other	4,628	1.4%

1922	Democratic	122,085	45.9%
	Republican	134,675	50.7%
	Other	8,937	3.4%

1920	Democratic	106,707	37.6%
	Republican	167,348	58.9%
	Independent	9,833	3.5%

1918	Democratic	95,650	45.4%
	Republican	107,317	50.9%
	Independent	7,734	3.7%

1916	Democratic	134,850	50.3%
	Republican	116,771	43.6%
	Independent	14,519	5.4%
	Other	1,857	0.7%

1914	Democratic	96,681	39.0%
	Republican	109,311	44.1%
	Independent	24,695	10.0%
	Other	17,053	6.9%

1912	Democratic	109,544	41.5%
	Republican	64,765	24.5%
	Independent	66,036	25.0%
	Other	23,606	8.9%

1910	Democratic	105,601	47.7%
	Republican	101,044	45.6%
	Independent	8,890	4.0%
	Other	6,072	2.7%

1908	Democratic	127,398	48.6%
	Republican	120,455	45.9%
	Independent	8,021	3.1%
	Other	6,507	2.5%

1906	Democratic	78,001	39.7%
	Republican	100,518	51.2%
	Independent	13,501	6.9%
	Other	4,428	2.3%

1904	Democratic	110,411	45.8%
	Republican	122,630	50.9%
	Other	8,087	3.4%

1902	Democratic	83,872	45.4%
	Republican	87,741	47.5%
	Independent	7,499	4.1%
	Other	5,664	3.1%

1900	Democratic	119,226	54.2%
	Republican	94,198	42.8%
	Other	6,543	3.0%

1898	Democratic	89,372	61.5%
	Republican	51,034	35.1%
	Other	4,944	3.4%

1896	Democratic	87,699	46.6%
	Republican	25,394	13.5%
	Independent	69,226	36.8%
	Other	5,904	3.1%

1894	Democratic	9,296	5.2%
	Republican	90,654	50.9%
	Independent	72,480	40.7%
	Other	5,632	3.2%

1892	Democratic	8,123	8.8%
	Republican	38,692	41.9%
	Independent	43,815	47.5%
	Other	1,614	1.7%

1890	Democratic	36,248	43.2%
	Republican	41,356	49.3%
	Independent	5,207	6.2%
	Other	1,097	1.3%

1888	Democratic	37,888	41.2%
	Republican	50,621	55.1%
	Other	3,424	3.7%

1886	Democratic	26,123	44.2%
	Republican	29,103	49.3%
	Independent	3,774	6.4%
	Other	76	0.1%

1884	Democratic	30,006	45.2%
	Republican	33,756	50.9%
	Independent	2,514	3.8%
	Other	59	0.1%

1882	Democratic	28,442	46.5%
	Republican	31,493	51.5%
	Other	1,238	2.0%

1880	Democratic	24,238	45.5%
	Republican	27,521	51.7%
	Independent	1,469	2.8%
	Other	5	0.0%

1878	Democratic	11,968	42.0%
	Republican	13,891	48.7%
	Independent	2,641	9.3%

1876	Democratic	13,093	48.0%
	Republican	14,191	52.0%