Member
|
Party
|
Term
|
Congress
|
Electoral history
|
 John Vining (Dover)
|
Pro- Administration
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March 4, 1789 – March 3, 1793
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1st 2nd
|
Elected in 1789. Re-elected in 1790. Retired.
|
 John Patten (Dover)
|
Anti- Administration
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March 4, 1793 – February 14, 1794
|
3rd
|
Elected in 1792. Lost election contest.
|
 Henry Latimer (Newport)
|
Pro- Administration
|
February 14, 1794 – February 7, 1795
|
3rd
|
Won election contest. Lost re-election.
|
 John Patten (Dover)
|
Democratic- Republican
|
March 4, 1795 – March 3, 1797
|
4th
|
Elected in 1794. Retired.
|
 James A. Bayard (Wilmington)
|
Federalist
|
March 4, 1797 – March 3, 1803
|
5th 6th 7th
|
Elected in 1796. Re-elected in 1798. Re-elected in 1800. Lost re-election.
|
 Caesar Augustus Rodney (Wilmington)
|
Democratic- Republican
|
March 4, 1803 – March 3, 1805
|
8th
|
Elected in 1802. Lost re-election.
|
Vacant
|
March 4, 1805 – October 1, 1805
|
9th
|
James A. Bayard was elected in 1804 but declined to serve, having also been elected U.S. senator.
|
 James M. Broom (Wilmington)
|
Federalist
|
October 1, 1805 – October 6, 1807
|
9th 10th
|
Elected October 1, 1805 to finish Bayard's term and seated December 2, 1805. Re-elected in 1806, but declined the seat.
|
 Nicholas Van Dyke (New Castle)
|
Federalist
|
October 6, 1807 – March 3, 1811
|
10th 11th
|
Elected to finish Broom's term. Re-elected in 1808. Retired.
|
 Henry M. Ridgely (Dover)
|
Federalist
|
March 4, 1811 – March 3, 1815
|
12th 13th
|
Elected in 1810. Re-elected in 1812. Retired.
|
 Thomas Clayton (Dover)
|
Federalist
|
March 4, 1815 – March 3, 1817
|
14th
|
Elected in 1814. Lost re-election.
|
 Louis McLane (Wilmington)
|
Federalist[a]
|
March 4, 1817 – March 3, 1825
|
15th 16th 17th 18th 19th
|
Elected in 1816. Re-elected in 1818. Re-elected in 1820. Re-elected in 1822. Re-elected in 1824. Re-elected in 1826 but declined to serve having been elected U.S. senator.
|
Jacksonian
|
March 4, 1825 – March 3, 1827
|
Vacant
|
March 3, 1827 – October 2, 1827
|
20th
|
|
 Kensey Johns Jr. (New Castle)
|
Anti- Jacksonian
|
October 2, 1827 – March 3, 1831
|
20th 21st
|
Elected October 2, 1827 to finish McLane's term and seated December 3, 1827. Re-elected in 1828. Retired.
|
 John J. Milligan (Wilmington)
|
Anti- Jacksonian
|
March 4, 1831 – March 3, 1837
|
22nd 23rd 24th 25th
|
Elected in 1830. Re-elected in 1832. Re-elected in 1834. Re-elected in 1836. Lost re-election.
|
Whig
|
March 4, 1837 – March 3, 1839
|
Thomas Robinson Jr. (Georgetown)
|
Democratic
|
March 4, 1839 – March 3, 1841
|
26th
|
Elected in 1838. Lost re-election.
|
 George B. Rodney (New Castle)
|
Whig
|
March 4, 1841 – March 3, 1845
|
27th 28th
|
Elected in 1840. Re-elected in 1842. Retired.
|
 John W. Houston (Georgetown)
|
Whig
|
March 4, 1845 – March 3, 1851
|
29th 30th 31st
|
Elected in 1844. Re-elected in 1846. Re-elected in 1848. Retired.
|
 George R. Riddle (Wilmington)
|
Democratic
|
March 4, 1851 – March 3, 1855
|
32nd 33rd
|
Elected in 1850. Re-elected in 1852. Lost re-election.
|
Elisha D. Cullen (Georgetown)
|
Know Nothing
|
March 4, 1855 – March 3, 1857
|
34th
|
Elected in 1854. Lost re-election.
|
 William G. Whiteley (New Castle)
|
Democratic
|
March 4, 1857 – March 3, 1861
|
35th 36th
|
Elected in 1856. Re-elected in 1858. Retired.
|
 George P. Fisher (Dover)
|
Union
|
March 4, 1861 – March 3, 1863
|
37th
|
Elected in 1860. Lost re-election.
|
 William Temple (Smyrna)
|
Democratic
|
March 4, 1863 – May 28, 1863
|
38th
|
Elected in 1862. Died.
|
Vacant
|
May 28, 1863 – December 7, 1863
|
38th
|
|
 Nathaniel B. Smithers (Dover)
|
Union
|
December 7, 1863 – March 3, 1865
|
38th
|
Elected to finish Temple's term. Lost re-election.
|
 John A. Nicholson (Dover)
|
Democratic
|
March 4, 1865 – March 3, 1869
|
39th 40th
|
Elected in 1864. Re-elected in 1866. Retired.
|
 Benjamin T. Biggs (Summit Bridge)
|
Democratic
|
March 4, 1869 – March 3, 1873
|
41st 42nd
|
Elected in 1868. Re-elected in 1870. Retired.
|
James R. Lofland (Milford)
|
Republican
|
March 4, 1873 – March 3, 1875
|
43rd
|
Elected in 1872. Lost re-election.
|
 James Williams (Kenton)
|
Democratic
|
March 4, 1875 – March 3, 1879
|
44th 45th
|
Elected in 1874. Re-elected in 1876. Retired.
|
Edward L. Martin (Seaford)
|
Democratic
|
March 4, 1879 – March 3, 1883
|
46th 47th
|
Elected in 1878. Re-elected in 1880. Retired.
|
 Charles B. Lore (Wilmington)
|
Democratic
|
March 4, 1883 – March 3, 1887
|
48th 49th
|
Elected in 1882. Re-elected in 1884. Retired.
|
 John B. Penington (Dover)
|
Democratic
|
March 4, 1887 – March 3, 1891
|
50th 51st
|
Elected in 1886. Re-elected in 1888. Retired.
|
 John W. Causey (Milford)
|
Democratic
|
March 4, 1891 – March 3, 1895
|
52nd 53rd
|
Elected in 1890. Re-elected in 1892. Retired.
|
 Jonathan S. Willis (Milford)
|
Republican
|
March 4, 1895 – March 3, 1897
|
54th
|
Elected in 1894. Lost re-election.
|
 L. Irving Handy (Newark)
|
Democratic
|
March 4, 1897 – March 3, 1899
|
55th
|
Elected in 1896. Lost re-election.
|
 John H. Hoffecker (Smyrna)
|
Republican
|
March 4, 1899 – June 16, 1900
|
56th
|
Elected in 1898. Died.
|
Vacant
|
June 16, 1900 – November 6, 1900
|
|
Walter O. Hoffecker (Smyrna)
|
Republican
|
November 6, 1900 – March 3, 1901
|
Elected to finish his father's term. Retired.
|
 L. Heisler Ball (Faulkland)
|
Republican
|
March 4, 1901 – March 3, 1903
|
57th
|
Elected in 1900. Retired to run for U.S. senator.
|
 Henry A. Houston (Millsboro)
|
Democratic
|
March 4, 1903 – March 3, 1905
|
58th
|
Elected in 1902. Retired.
|
 Hiram R. Burton (Lewes)
|
Republican
|
March 4, 1905 – March 3, 1909
|
59th 60th
|
Elected in 1904. Re-elected in 1906. Lost renomination.
|
 William H. Heald (Wilmington)
|
Republican
|
March 4, 1909 – March 3, 1913
|
61st 62nd
|
Elected in 1908. Re-elected in 1910. Retired.
|
 Franklin Brockson (Clayton)
|
Democratic
|
March 4, 1913 – March 3, 1915
|
63rd
|
Elected in 1912. Lost re-election.
|
 Thomas W. Miller (Wilmington)
|
Republican
|
March 4, 1915 – March 3, 1917
|
64th
|
Elected in 1914. Lost re-election.
|
 Albert F. Polk (Georgetown)
|
Democratic
|
March 4, 1917 – March 3, 1919
|
65th
|
Elected in 1916. Lost re-election.
|
 Caleb R. Layton (Georgetown)
|
Republican
|
March 4, 1919 – March 3, 1923
|
66th 67th
|
Elected in 1918. Re-elected in 1920. Lost re-election.
|
 William H. Boyce (Dover)
|
Democratic
|
March 4, 1923 – March 3, 1925
|
68th
|
Elected in 1922. Lost re-election.
|
 Robert G. Houston (Georgetown)
|
Republican
|
March 4, 1925 – March 3, 1933
|
69th 70th 71st 72nd
|
Elected in 1924. Re-elected in 1926. Re-elected in 1928. Re-elected in 1930. Retired.
|
 Wilbur L. Adams (Wilmington)
|
Democratic
|
March 4, 1933 – January 3, 1935
|
73rd
|
Elected in 1932. Retired to run for U.S. senator.
|
 J. George Stewart (Wilmington)
|
Republican
|
January 3, 1935 – January 3, 1937
|
74th
|
Elected in 1934. Lost re-election.
|
 William F. Allen (Seaford)
|
Democratic
|
January 3, 1937 – January 3, 1939
|
75th
|
Elected in 1936. Lost re-election.
|
George S. Williams (Millsboro)
|
Republican
|
January 3, 1939 – January 3, 1941
|
76th
|
Elected in 1938. Lost re-election.
|
 Philip A. Traynor (Wilmington)
|
Democratic
|
January 3, 1941 – January 3, 1943
|
77th
|
Elected in 1940. Lost re-election.
|
 Earle D. Willey (Dover)
|
Republican
|
January 3, 1943 – January 3, 1945
|
78th
|
Elected in 1942. Lost re-election.
|
Philip A. Traynor (Wilmington)
|
Democratic
|
January 3, 1945 – January 3, 1947
|
79th
|
Elected in 1944. Lost re-election.
|
 J. Caleb Boggs (Wilmington)
|
Republican
|
January 3, 1947 – January 3, 1953
|
80th 81st 82nd
|
Elected in 1946. Re-elected in 1948. Re-elected in 1950. Retired to run for Governor of Delaware.
|
 Herbert Warburton (Wilmington)
|
Republican
|
January 3, 1953 – January 3, 1955
|
83rd
|
Elected in 1952. Retired to run for U.S. senator.
|
 Harris McDowell (Middletown)
|
Democratic
|
January 3, 1955 – January 3, 1957
|
84th
|
Elected in 1954. Lost re-election.
|
 Harry G. Haskell Jr. (Wilmington)
|
Republican
|
January 3, 1957 – January 3, 1959
|
85th
|
Elected in 1956. Lost re-election.
|
 Harris McDowell (Middletown)
|
Democratic
|
January 3, 1959 – January 3, 1967
|
86th 87th 88th 89th
|
Elected in 1958. Re-elected in 1960. Re-elected in 1962. Re-elected in 1964. Lost re-election.
|
 William Roth (Wilmington)
|
Republican
|
January 3, 1967 – December 31, 1970
|
90th 91st
|
Elected in 1966. Re-elected in 1968. Retired to run for U.S. senator and resigned after the election.
|
Vacant
|
December 31, 1970 – January 3, 1971
|
91st
|
|
 Pete du Pont (Rockland)
|
Republican
|
January 3, 1971 – January 3, 1977
|
92nd 93rd 94th
|
Elected in 1970. Re-elected in 1972. Re-elected in 1974. Retired to run for Governor of Delaware.
|
 Thomas B. Evans Jr. (Wilmington)
|
Republican
|
January 3, 1977 – January 3, 1983
|
95th 96th 97th
|
Elected in 1976. Re-elected in 1978. Re-elected in 1980. Lost re-election.
|
 Tom Carper (Wilmington)
|
Democratic
|
January 3, 1983 – January 3, 1993
|
98th 99th 100th 101st 102nd
|
Elected in 1982. Re-elected in 1984. Re-elected in 1986. Re-elected in 1988. Re-elected in 1990. Retired to run for Governor of Delaware.
|
 Mike Castle (Wilmington)
|
Republican
|
January 3, 1993 – January 3, 2011
|
103rd 104th 105th 106th 107th 108th 109th 110th 111th
|
Elected in 1992. Re-elected in 1994. Re-elected in 1996. Re-elected in 1998. Re-elected in 2000. Re-elected in 2002. Re-elected in 2004. Re-elected in 2006. Re-elected in 2008. Retired to run for U.S. senator.
|
 John Carney (Wilmington)
|
Democratic
|
January 3, 2011 – January 3, 2017
|
112th 113th 114th
|
Elected in 2010. Re-elected in 2012. Re-elected in 2014. Retired to run for Governor of Delaware.
|
 Lisa Blunt Rochester (Wilmington)
|
Democratic
|
January 3, 2017 – January 3, 2025
|
115th 116th 117th 118th
|
Elected in 2016. Re-elected in 2018. Re-elected in 2020. Re-elected in 2022. Retired to run for U.S. Senator.
|
 Sarah McBride (Wilmington)
|
Democratic
|
January 3, 2025– present
|
119th
|
Elected in 2024.
|