2022	Democratic	1,333,369	50.6%
	Republican	1,298,369	49.3%
	Other	1,539	0.1%

2018	Democratic	1,305,902	49.4%
	Republican	1,288,712	48.8%
	Other	48,237	1.8%

2014	Democratic	1,066,866	45.4%
	Republican	1,211,388	51.5%
	Independent	70,951	3.0%
	Other	1,120	0.0%

2010	Democratic	890,080	42.1%
	Republican	1,220,791	57.8%
	Other	1,614	0.1%

2006	Democratic	1,056,594	49.7%
	Republican	1,065,453	50.2%
	Other	2,420	0.1%

2002	Democratic	882,945	51.6%
	Republican	826,862	48.3%
	Other	1,488	0.1%

1998	Democratic	1,111,773	64.9%
	Republican	565,073	33.0%
	Other	36,187	2.1%

1994	Democratic	805,334	52.5%
	Republican	709,927	46.3%
	Other	18,089	1.2%

1990	Democratic	687,283	50.9%
	Republican	635,835	47.1%
	Other	27,948	2.1%

1986	Democratic	664,181	45.9%
	Republican	751,208	52.0%
	Other	30,455	2.1%

1982	Democratic	1,062,322	96.4%
	Republican	0	0.0%
	Other	39,647	3.6%

1978	Democratic	868,829	61.3%
	Republican	533,943	37.7%
	Other	15,045	1.1%

1974	Democratic	669,968	58.1%
	Republican	483,232	41.9%

1970	Democratic	593,775	46.1%
	Republican	686,938	53.3%
	Other	7,779	0.6%

1968	Democratic	689,510	43.5%
	Republican	897,208	56.5%

1966	Democratic	609,216	53.6%
	Republican	528,202	46.4%

1964	Democratic	882,318	54.3%
	Republican	741,917	45.7%

1962	Democratic	572,426	47.4%
	Republican	636,133	52.6%
	Other	50	0.0%

1960	Democratic	841,445	50.9%
	Republican	811,959	49.1%
	Other	14	0.0%

1958	Democratic	617,586	53.7%
	Republican	533,131	46.3%
	Other	73	0.0%

1956	Democratic	629,861	42.5%
	Republican	805,353	54.3%
	Independent	47,643	3.2%
	Other	55	0.0%

1954	Democratic	489,180	43.8%
	Republican	627,827	56.2%
	Other	47	0.0%

1952	Democratic	553,685	36.0%
	Republican	984,960	64.0%
	Other	69	0.0%

1950	Democratic	470,057	43.0%
	Republican	615,309	56.3%
	Other	7,975	0.7%

1948	Democratic	622,312	51.5%
	Republican	563,298	46.6%
	Other	22,591	1.9%

1946	Democratic	280,145	28.7%
	Republican	682,591	70.0%
	Other	13,007	1.3%

1944	Democratic	469,800	38.7%
	Republican	645,261	53.1%
	Independent	84,989	7.0%
	Other	14,527	1.2%

1942	Democratic	135,889	18.8%
	Republican	367,179	50.8%
	Independent	205,730	28.5%
	Other	13,590	1.9%

1940	Democratic	257,786	20.9%
	Republican	605,680	49.1%
	Independent	367,009	29.8%
	Other	2,844	0.2%

1938	Democratic	148,426	16.5%
	Republican	431,678	48.0%
	Independent	316,657	35.2%
	Other	1,795	0.2%

1936	Democratic	353,642	32.4%
	Republican	339,502	31.1%
	Independent	394,252	36.1%
	Other	4,825	0.4%

1934	Democratic	305,545	35.3%
	Republican	195,933	22.6%
	Independent	303,387	35.1%
	Other	60,500	7.0%

1932	Democratic	515,642	49.7%
	Republican	447,508	43.1%
	Independent	66,713	6.4%
	Other	7,734	0.7%

1930	Democratic	125,315	22.7%
	Republican	375,616	68.1%
	Independent	35,169	6.4%
	Other	15,508	2.8%

1928	Democratic	234,779	26.8%
	Republican	598,730	68.3%
	Independent	36,028	4.1%
	Other	7,255	0.8%

1926	Democratic	18,888	4.1%
	Republican	389,519	85.5%
	Independent	35,066	7.7%
	Other	12,013	2.6%

1924	Democratic	154,750	21.7%
	Republican	490,419	68.7%
	Independent	48,447	6.8%
	Other	19,819	2.8%

1922	Democratic	45,796	11.1%
	Republican	350,033	84.6%
	Independent	17,864	4.3%
	Other	202	0.0%

1920	Democratic	177,162	31.1%
	Republican	384,711	67.5%
	Other	8,061	1.4%

1918	Democratic	86,226	27.4%
	Republican	166,543	53.0%
	Independent	57,215	18.2%
	Other	4,326	1.4%

1916	Democratic	134,682	32.8%
	Republican	236,486	57.6%
	Independent	31,744	7.7%
	Other	7,534	1.8%

1914	Democratic	111,232	36.7%
	Republican	157,052	51.8%
	Independent	27,155	9.0%
	Other	7,505	2.5%

1912	Democratic	154,063	40.8%
	Republican	176,534	46.7%
	Independent	35,114	9.3%
	Other	11,915	3.2%

1910	Democratic	104,543	34.0%
	Republican	114,841	37.4%
	Independent	48,661	15.8%
	Other	39,418	12.8%

1908	Democratic	157,566	35.7%
	Republican	244,505	55.4%
	Independent	28,370	6.4%
	Other	10,906	2.5%

1906	Democratic	99,392	31.9%
	Republican	179,321	57.6%
	Independent	24,419	7.8%
	Other	7,998	2.6%

1904	Democratic	149,960	35.8%
	Republican	248,253	59.3%
	Independent	11,035	2.6%
	Other	9,683	2.3%

1902	Democratic	134,001	37.7%
	Republican	193,453	54.4%
	Independent	17,484	4.9%
	Other	10,525	3.0%

1900	Democratic	160,130	36.3%
	Republican	263,486	59.8%
	Other	17,312	3.9%

1898	Democratic	125,505	38.5%
	Republican	180,173	55.3%
	Other	19,943	6.1%

1896	Democratic	167,703	37.9%
	Republican	265,690	60.0%
	Other	9,440	2.1%

1894	Democratic	137,483	37.0%
	Republican	197,709	53.3%
	Independent	24,445	6.6%
	Other	11,447	3.1%

1892	Democratic	177,147	47.9%
	Republican	169,444	45.8%
	Independent	13,196	3.6%
	Other	9,852	2.7%

1890	Democratic	159,716	52.4%
	Republican	126,310	41.5%
	Independent	11,282	3.7%
	Other	7,255	2.4%

1888	Democratic	154,943	43.7%
	Republican	176,351	49.7%
	Independent	14,582	4.1%
	Other	8,728	2.5%

1886	Democratic	115,949	40.5%
	Republican	131,358	45.9%
	Independent	21,740	7.6%
	Other	17,268	6.0%

1884	Democratic	145,018	45.3%
	Republican	162,167	50.7%
	Independent	8,313	2.6%
	Other	4,342	1.4%

1881	Democratic	68,539	39.9%
	Republican	84,821	49.4%
	Independent	11,787	6.9%
	Other	6,701	3.9%

1879	Democratic	74,821	39.6%
	Republican	100,562	53.3%
	Independent	12,846	6.8%
	Other	546	0.3%

1877	Democratic	72,300	40.6%
	Republican	77,304	43.4%
	Independent	25,090	14.1%
	Other	3,228	1.8%

1875	Democratic	85,745	50.4%
	Republican	83,934	49.3%
	Other	567	0.3%

1873	Democratic	79,594	54.0%
	Republican	67,921	46.0%
	Other	13	0.0%

1871	Democratic	68,807	46.7%
	Republican	78,326	53.1%
	Other	254	0.2%

1869	Democratic	60,520	46.5%
	Republican	69,746	53.5%
	Other	17	0.0%

1867	Democratic	68,828	48.3%
	Republican	73,530	51.6%
	Other	39	0.0%

1865	Democratic	48,387	45.5%
	Republican	58,056	54.5%
	Other	1	0.0%

1863	Democratic	49,117	40.3%
	Republican	72,794	59.7%
	Other	31	0.0%

1861	Democratic	43,647	44.0%
	Republican	55,367	55.9%
	Other	97	0.1%

1859	Democratic	52,209	46.3%
	Republican	60,569	53.7%
	Other	25	0.0%

1857	Democratic	45,515	50.4%
	Republican	44,742	49.5%
	Other	118	0.1%