Member
Party
Term
Congress
Electoral history
District created March 4, 1863
Asahel W. Hubbard (Sioux City )
Republican
March 4, 1863 – March 3, 1869
38th 39th 40th
Elected in 1862 .Re-elected in 1864 .Re-elected in 1866 . Retired.
Charles Pomeroy (Fort Dodge )
Republican
March 4, 1869 – March 3, 1871
41st
Elected in 1868 . Lost renomination.
Jackson Orr (Montana )
Republican
March 4, 1871 – March 3, 1873
42nd
Elected in 1870 . Redistricted to the 9th district .
William Loughridge (Oskaloosa )
Republican
March 4, 1873 – March 3, 1875
43rd
Elected in 1872 . Lost renomination.
Ezekiel S. Sampson (Sigourney )
Republican
March 4, 1875 – March 3, 1879
44th 45th
Elected in 1874 .Re-elected in 1876 . Lost re-election.
James Weaver (Bloomfield )
Greenback
March 4, 1879 – March 3, 1881
46th
Elected in 1878 . Retired to run for president .
Marsena E. Cutts (Oskaloosa )
Republican
March 4, 1881 – March 3, 1883
47th
Elected in 1880 . Lost contested election.
John C. Cook (Newton )
Democratic
March 3, 1883 – March 3, 1883
Won contested election but only served one day. Lost re-election.
Marsena E. Cutts (Oskaloosa )
Republican
March 4, 1883 – September 1, 1883
48th
Elected in 1882 . Died.
Vacant
September 1, 1883 – October 9, 1883
John C. Cook (Newton )
Democratic
October 9, 1883 – March 3, 1885
Elected to finish Cutts's term . Lost re-election.
James Weaver (Bloomfield )
Greenback
March 4, 1885 – March 3, 1889
49th 50th
Elected in 1884 .Re-elected in 1886 . Lost re-election.
John F. Lacey (Oskaloosa )
Republican
March 4, 1889 – March 3, 1891
51st
Elected in 1888 . Lost re-election.
Frederick E. White (Webster )
Democratic
March 4, 1891 – March 3, 1893
52nd
Elected in 1890 . Lost re-election.
John F. Lacey (Oskaloosa )
Republican
March 4, 1893 – March 3, 1907
53rd 54th 55th 56th 57th 58th 59th
Elected in 1892 .Re-elected in 1894 .Re-elected in 1896 .Re-elected in 1898 .Re-elected in 1900 .Re-elected in 1902 .Re-elected in 1904 . Lost re-election.
Daniel W. Hamilton (Sigourney )
Democratic
March 4, 1907 – March 3, 1909
60th
Elected in 1906 . Lost re-election.
Nathan E. Kendall (Albia )
Republican
March 4, 1909 – March 3, 1913
61st 62nd
Elected in 1908 .Re-elected in 1910 . Renominated but withdrew prior to election.
Sanford Kirkpatrick (Ottumwa )
Democratic
March 4, 1913 – March 3, 1915
63rd
Elected in 1912 . Lost renomination.
C. William Ramseyer (Bloomfield )
Republican
March 4, 1915 – March 3, 1933
64th 65th 66th 67th 68th 69th 70th 71st 72nd
Elected in 1914 .Re-elected in 1916 .Re-elected in 1918 .Re-elected in 1920 .Re-elected in 1922 .Re-elected in 1924 .Re-elected in 1926 .Re-elected in 1928 .Re-elected in 1930 . Redistricted to the 5th district and lost renomination there.
Cassius C. Dowell (Des Moines )
Republican
March 4, 1933 – January 3, 1935
73rd
Redistricted from the 7th district and re-elected in 1932 . Lost re-election.
Hubert Utterback (Des Moines )
Democratic
January 3, 1935 – January 3, 1937
74th
Elected in 1934 . Retired to run for U.S. Senator .
Cassius C. Dowell (Des Moines )
Republican
January 3, 1937 – February 4, 1940
75th 76th
Elected in 1936 .Re-elected in 1938 . Died.
Vacant
February 4, 1940 – March 5, 1940
76th
Robert K. Goodwin (Redfield )
Republican
March 5, 1940 – January 3, 1941
76th
Elected to finish Dowell's term . Retired.
Paul Cunningham (Des Moines )
Republican
January 3, 1941 – January 3, 1943
77th
Elected in 1940 . Redistricted to the 5th district .
Fred C. Gilchrist (Laurens )
Republican
January 3, 1943 – January 3, 1945
78th
Redistricted from the 8th district and re-elected in 1942 . Lost renomination.
James I. Dolliver (Fort Dodge )
Republican
January 3, 1945 – January 3, 1957
79th 80th 81st 82nd 83rd 84th
Elected in 1944 .Re-elected in 1946 .Re-elected in 1948 .Re-elected in 1950 .Re-elected in 1952 .Re-elected in 1954 . Lost re-election.
Merwin Coad (Boone )
Democratic
January 3, 1957 – January 3, 1963
85th 86th 87th
Elected in 1956 .Re-elected in 1958 .Re-elected in 1960 . Retired.
Charles B. Hoeven (Alton )
Republican
January 3, 1963 – January 3, 1965
88th
Redistricted from the 8th district and re-elected in 1962 . Retired.
Stanley L. Greigg (Sioux City )
Democratic
January 3, 1965 – January 3, 1967
89th
Elected in 1964 . Lost re-election.
Wiley Mayne (Sioux City )
Republican
January 3, 1967 – January 3, 1975
90th 91st 92nd 93rd
Elected in 1966 .Re-elected in 1968 .Re-elected in 1970 .Re-elected in 1972 . Lost re-election.
Berkley Bedell (Spirit Lake )
Democratic
January 3, 1975 – January 3, 1987
94th 95th 96th 97th 98th 99th
Elected in 1974 .Re-elected in 1976 .Re-elected in 1978 .Re-elected in 1980 .Re-elected in 1982 .Re-elected in 1984 . Retired.
Fred Grandy (Sioux City )
Republican
January 3, 1987 – January 3, 1993
100th 101st 102nd
Elected in 1986 .Re-elected in 1988 .Re-elected in 1990 . Redistricted to the 5th district .
District eliminated January 3, 1993