2022	Democratic	1,312,705	53.7%
	Republican	1,052,337	43.0%
	Other	80,770	3.3%

2018	Democratic	1,292,281	52.2%
	Republican	1,111,641	44.9%
	Other	70,475	2.8%

2014	Democratic	871,695	44.9%
	Republican	970,195	49.9%
	Other	100,452	5.2%

2010	Democratic	840,015	49.3%
	Republican	864,738	50.7%

2006	Democratic	770,403	51.3%
	Republican	730,718	48.7%

2002	Democratic	512,401	37.9%
	Republican	758,946	56.1%
	Other	80,468	6.0%

1998	Democratic	561,329	44.7%
	Republican	638,521	50.8%
	Other	56,984	4.5%

1994	Democratic	431,089	40.8%
	Republican	626,054	59.2%

1990	Democratic	534,877	53.7%
	Republican	441,792	44.4%
	Other	18,568	1.9%

1986	Democratic	523,579	51.6%
	Republican	481,176	47.4%
	Other	10,006	1.0%

1982	Democratic	504,242	54.3%
	Republican	398,730	42.9%
	Other	26,108	2.8%

1978	Democratic	418,622	53.6%
	Republican	336,986	43.2%
	Other	24,741	3.2%

1974	Democratic	421,782	53.3%
	Republican	357,931	45.2%
	Other	12,171	1.5%

1970	Democratic	259,132	41.5%
	Republican	333,637	53.5%
	Other	30,988	5.0%

1966	Democratic	284,075	45.3%
	Republican	342,597	54.7%

1962	Democratic	297,641	51.4%
	Republican	281,215	48.6%

1958	Democratic	289,446	55.8%
	Republican	228,973	44.2%

1956	Democratic	350,914	58.2%
	Republican	252,535	41.8%

1954	Democratic	215,052	47.4%
	Republican	239,088	52.6%

1952	Democratic	311,645	53.8%
	Republican	267,269	46.2%

1950	Democratic	211,760	49.1%
	Republican	219,583	50.9%

1948	Democratic	297,550	60.1%
	Republican	197,795	39.9%

1946	Democratic	142,582	43.5%
	Republican	185,021	56.5%

1944	Democratic	262,454	54.3%
	Republican	220,987	45.7%

1942	Democratic	140,283	42.0%
	Republican	193,786	58.0%

1940	Democratic	281,786	52.4%
	Republican	249,940	46.4%
	Other	6,441	1.2%

1938	Democratic	201,783	45.2%
	Republican	238,884	53.5%
	Other	6,020	1.3%

1936	Democratic	285,098	61.0%
	Republican	166,927	35.7%
	Other	15,062	3.2%

1934	Democratic	190,307	48.4%
	Republican	193,387	49.2%
	Other	9,479	2.4%

1932	Democratic	227,827	52.3%
	Republican	195,824	44.9%
	Other	12,089	2.8%

1930	Democratic	138,696	45.0%
	Republican	161,285	52.4%
	Other	7,995	2.6%

1928	Democratic	137,227	37.8%
	Republican	215,471	59.4%
	Other	9,950	2.7%

1926	Democratic	130,224	45.3%
	Republican	146,610	51.0%
	Other	10,815	3.8%

1924	Democratic	125,045	38.2%
	Republican	174,158	53.3%
	Independent	22,282	6.8%
	Other	5,530	1.7%

1922	Democratic	123,532	46.3%
	Republican	132,127	49.5%
	Other	11,013	4.1%

1920	Democratic	104,889	37.4%
	Republican	165,874	59.1%
	Independent	9,873	3.5%

1918	Democratic	100,301	47.3%
	Republican	104,677	49.4%
	Independent	7,046	3.3%

1916	Democratic	126,033	47.3%
	Republican	124,330	46.7%
	Independent	14,668	5.5%
	Other	1,272	0.5%

1914	Democratic	101,001	41.0%
	Republican	111,457	45.2%
	Independent	19,348	7.9%
	Other	14,664	5.9%

1912	Democratic	112,493	42.6%
	Republican	65,587	24.8%
	Independent	62,834	23.8%
	Other	23,080	8.7%

1910	Democratic	110,117	49.6%
	Republican	98,007	44.1%
	Independent	8,638	3.9%
	Other	5,305	2.4%

1908	Democratic	127,064	48.4%
	Republican	120,672	46.0%
	Independent	8,115	3.1%
	Other	6,592	2.5%

1906	Democratic	76,793	39.1%
	Republican	102,575	52.2%
	Independent	12,875	6.6%
	Other	4,125	2.1%

1904	Democratic	107,521	44.7%
	Republican	124,677	51.8%
	Other	8,553	3.6%

1902	Democratic	81,460	44.1%
	Republican	87,214	47.2%
	Independent	7,767	4.2%
	Other	8,190	4.4%

1900	Democratic	119,791	54.6%
	Republican	93,820	42.8%
	Other	5,660	2.6%

1898	Democratic	90,054	62.2%
	Republican	49,298	34.1%
	Independent	3,636	2.5%
	Other	1,786	1.2%

1896	Democratic	85,221	45.6%
	Republican	24,786	13.3%
	Independent	71,285	38.2%
	Other	5,459	2.9%

1894	Democratic	81,205	45.8%
	Republican	89,947	50.7%
	Independent	6,230	3.5%

1892	Democratic	7,894	8.6%
	Republican	39,049	42.5%
	Independent	43,385	47.2%
	Other	1,591	1.7%

1890	Democratic	43,494	52.7%
	Republican	37,596	45.6%
	Other	1,422	1.7%

1888	Democratic	38,507	42.1%
	Republican	49,652	54.3%
	Other	3,252	3.6%

1886	Democratic	26,618	45.9%
	Republican	28,311	48.8%
	Independent	3,001	5.2%
	Other	107	0.2%

1884	Democratic	27,898	41.7%
	Republican	36,496	54.5%
	Independent	1,859	2.8%
	Other	697	1.0%

1882	Democratic	28,930	47.3%
	Republican	31,045	50.7%
	Other	1,241	2.0%

1880	Democratic	24,440	45.7%
	Republican	27,587	51.6%
	Independent	1,448	2.7%
	Other	1	0.0%

1878	Democratic	11,843	41.4%
	Republican	14,141	49.4%
	Independent	2,635	9.2%

1876	Democratic	13,310	48.6%
	Republican	14,038	51.3%
	Other	37	0.1%