United States Senate elections, 1840

The United States Senate election of 1840 was an election which, corresponding with their Party's success in the 1840 Presidential election, had the Whig Party take control of the United States Senate.

As this election was prior to ratification of the seventeenth amendment, Senators were chosen by State legislatures.

Results

27th Congress (1841–1843)

Senate composition at the end of the 26th Congress
	D₇	D₁₇	D₂₇	W₁₆	W₆
	D₈	D₁₈	D₂₈	W₁₅	W₅
	D₉	D₁₉	D₂₉	W₁₄	W₄
	D₁₀	D₂₀	W₂₃	W₁₃	W₃
D₁	D₁₁	D₂₁	W₂₂	W₁₂	W₂
D₂	D₁₂	D₂₂	W₂₁	W₁₁	W₁
D₃	D₁₃	D₂₃	W₂₀	W₁₀
D₄	D₁₄	D₂₄	W₁₉	W₉
D₅	D₁₅	D₂₅	W₁₈	W₈
D₆	D₁₆	D₂₆	W₁₇	W₇

Senate composition at the beginning of the 27th Congress
	D₇	D₁₇	W₂₆	W₁₆	W₆
	D₈	D₁₈	W₂₅	W₁₅	W₅
	D₉	D₁₉	W₂₄	W₁₄	W₄
	D₁₀	D₂₀	W₂₃	W₁₃	W₃
D₁	D₁₁	D₂₁	W₂₂	W₁₂	W₂
D₂	D₁₂	D₂₂	W₂₁	W₁₁	W₁
D₃	D₁₃	V	W₂₀	W₁₀
D₄	D₁₄	W₂₉	W₁₉	W₉
D₅	D₁₅	W₂₈	W₁₈	W₈
D₆	D₁₆	W₂₇	W₁₇	W₇

Key:	D = Democratic	[Bracketed] seat changed parties [Data unknown/missing. You can help!]
	V = Vacant
	W = Whig

United States Senate elections

Pre-17th Amendment	1788 1790 1792 1794 1796 1798 1800 1802 1804 1806 1808 1810 1812 1814 1816 1818 1820 1822 1824 1826 1828 1830 1832 1834 1836 1838 1840 1842 1844 1846 1848 1850 1852 1854 1856 1858 1860 1862 1864 1866 1868 1870 1872 1874 1876 1878 1880 1882 1884 1886 1888 1890 1892 1894 1896 1898 1900 1902 1904 1906 1908 1910 1912

Post-17th Amendment	1914 1916 1918 1920 1922 1924 1926 1928 1930 1932 1934 1936 1938 1940 1942 1944 1946 1948 1950 1952 1954 1956 1958 1960 1962 1964 1966 1968 1970 1972 1974 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016

Others: Special elections Disputes See also: House elections Presidential elections Gubernatorial elections