Current congressional districts: 1st | 2nd | 3rd | 4th.
Obsolete congressional districts: 5th | 6th | 7th | 8th | 9th | 10th.
1st Congressional District of Iowa
Member of the United States House of Representatives from Iowa’s 1st Congressional District
James Falconer Wilson
Date of birth/date of death: b. October 19 1828; d. April 22 1895.
Republican Party
1861 – 1869
George Washington McCrary
Date of birth/date of death: b. August 29 1835; d. June 23 1890.
Republican Party
1869 – 1877
Charles Augustus Kennedy
Date of birth/date of death: b. March 24 1869; d. January 10 1951.
References:
[1] “Charles Augustus Kennedy,” Biographical Directory of the United States Congress, 1774–Present, United States Congress, accessed April 18, 2026, https://bioguide.congress.gov/search/bio/K000104.
Republican Party
March 4 1907 – March 3 1921
William Frederick Kopp
Date of birth/date of death: b. June 20 1869; d. August 24 1938.
Republican Party
1921 – 1933
James Albert Smith “Jim” Leach
Date of birth/date of death: b. October 15 1942; d. December 11 2024.
Republican Party
1977 – 2003
James Allen “Jim” Nussle
Date of birth/date of death: b. June 27 1960.
Republican Party
2003 – 2007
Ashley Elizabeth Hinson
Date of birth/date of death: b. June 27 1983.
Republican Party
2021 – 2023
2nd Congressional District of Iowa
Member of the United States House of Representatives from Iowa’s 2nd Congressional District
Walter Ingalls Hayes
Date of birth/date of death: b. December 9 1841; d. March 14 1901.
Democratic Party
1887 – 1895
James Allen “Jim” Nussle
Date of birth/date of death: b. June 27 1960.
Republican Party
1991 – 2003
James Albert Smith “Jim” Leach
Date of birth/date of death: b. October 15 1942; d. December 11 2024.
Republican Party
2003 – 2007
Ashley Elizabeth Hinson
Date of birth/date of death: b. June 27 1983.
Republican Party
2023 – present
3rd Congressional District of Iowa
Member of the United States House of Representatives from Iowa’s 3rd Congressional District
William Boyd Allison
Date of birth/date of death: b. March 2 1829; d. August 4 1908.
Republican Party
1863 – 1871
David Bremner Henderson
Date of birth/date of death: b. March 14 1840; d. February 25 1906.
Republican Party
1883 – 1903
Charles Ernest “Chuck” Grassley
Date of birth/date of death: b. September 17 1933.
Republican Party
1975 – 1981
Cynthia Lynne “Cindy” Axne
Date of birth/date of death: b. April 20 1965.
Democratic Party
2019 – 2023
Zachary Martin “Zach” Nunn
Date of birth/date of death: b. May 4 1979.
Republican Party
2023 – present
4th Congressional District of Iowa
Member of the United States House of Representatives from Iowa’s 4th Congressional District
Gilbert Nelson Haugen
Date of birth/date of death: b. April 21 1859; d. July 18 1933.
Republican Party
1899 – 1933
Karl Miles LeCompte
Date of birth/date of death: b. May 25 1887; d. September 30 1972.
Republican Party
1943 – 1959
Neal Edward Smith
Date of birth/date of death: b. March 23 1920; d. November 2 2021.
References:
[1] “Neal Edward Smith,” Biographical Directory of the United States Congress, 1774–Present, United States Congress, accessed April 6, 2026, https://bioguide.congress.gov/search/bio/S000596.
Democratic Party
January 3 1973 – January 3 1995
Steven Arnold “Steve” King
Date of birth/date of death: b. May 28 1949.
Republican Party
2013 – 2021
Randall Lee “Randy” Feenstra
Date of birth/date of death: b. January 14 1969.
References:
[1] “Randy Feenstra,” Biographical Directory of the United States Congress, 1774–Present, United States Congress, accessed April 10, 2026, https://bioguide.congress.gov/search/bio/F000446.
Republican Party
January 3 2021 – present
5th Congressional District of Iowa
Member of the United States House of Representatives from Iowa’s 5th Congressional District
James “Tama Jim” Wilson
Date of birth/date of death: b. August 16 1835; d. August 26 1920.
Republican Party
1873 – 1877
James “Tama Jim” Wilson
Date of birth/date of death: b. August 16 1835; d. August 26 1920.
Republican Party
1883 – 1885
Robert Gordon Cousins
Date of birth/date of death: b. January 31 1859; d. June 20 1933.
Republican Party
1893 – 1909
James William Good
Date of birth/date of death: b. September 24 1866; d. November 18 1929.
Republican Party
1909 – 1921
Karl Miles LeCompte
Date of birth/date of death: b. May 25 1887; d. September 30 1972.
Republican Party
1939 – 1943
Neal Edward Smith
Date of birth/date of death: b. March 23 1920; d. November 2 2021.
References:
[1] “Neal Edward Smith,” Biographical Directory of the United States Congress, 1774–Present, United States Congress, accessed April 6, 2026, https://bioguide.congress.gov/search/bio/S000596.
Democratic Party
January 3 1959 – January 3 1973
Thomas Richard “Tom” Harkin
Date of birth/date of death: b. November 19 1939.
Democratic Party
1975 – 1985
Steven Arnold “Steve” King
Date of birth/date of death: b. May 28 1949.
Republican Party
2003 – 2013
6th Congressional District of Iowa
Member of the United States House of Representatives from Iowa’s 6th Congressional District
James Baird Weaver
Date of birth/date of death: b. June 12 1833; d. February 6 1912.
Greenback Party
1879 – 1881
James Baird Weaver
Date of birth/date of death: b. June 12 1833; d. February 6 1912.
Greenback Party
1885 – 1889
John Fletcher Lacey
Date of birth/date of death: b. May 30 1841; d. September 29 1913.
Republican Party
1889 – 1891
John Fletcher Lacey
Date of birth/date of death: b. May 30 1841; d. September 29 1913.
Republican Party
1893 – 1907
Cassius Clay Dowell
Date of birth/date of death: b. February 29 1864; d. February 4 1940.
References:
[1] “Cassius Clay Dowell,” Biographical Directory of the United States Congress, 1774–Present, United States Congress, accessed April 18, 2026, https://bioguide.congress.gov/search/bio/D000468.
Republican Party
March 4 1933 – January 3 1935
Cassius Clay Dowell
Date of birth/date of death: b. February 29 1864; d. February 4 1940.
References:
[1] “Cassius Clay Dowell,” Biographical Directory of the United States Congress, 1774–Present, United States Congress, accessed April 18, 2026, https://bioguide.congress.gov/search/bio/D000468.
Republican Party
January 3 1937 – February 4 1940
Charles Bernard Hoeven
Date of birth/date of death: b. March 30 1895; d. November 9 1980.
Republican Party
1963 – 1965
7th Congressional District of Iowa
Member of the United States House of Representatives from Iowa’s 7th Congressional District
Cassius Clay Dowell
Date of birth/date of death: b. February 29 1864; d. February 4 1940.
References:
[1] “Cassius Clay Dowell,” Biographical Directory of the United States Congress, 1774–Present, United States Congress, accessed April 18, 2026, https://bioguide.congress.gov/search/bio/D000468.
Republican Party
March 4 1915 – March 3 1933
8th Congressional District of Iowa
Member of the United States House of Representatives from Iowa’s 8th Congressional District
William Peters Hepburn
Date of birth/date of death: b. March 30 1895; d. November 9 1980.
Republican Party
1881 – 1887
William Peters Hepburn
Date of birth/date of death: b. March 30 1895; d. November 9 1980.
Republican Party
1893 – 1909
Charles Bernard Hoeven
Date of birth/date of death: b. March 30 1895; d. November 9 1980.
Republican Party
1943 – 1963
9th Congressional District of Iowa
Member of the United States House of Representatives from Iowa’s 9th Congressional District
Guy Mark Gillette
Date of birth/date of death: b. February 3 1879; d. March 3 1973.
Democratic Party
1933 – 1936
10th Congressional District of Iowa
Member of the United States House of Representatives from Iowa’s 10th Congressional District
Jonathan Prentiss Dolliver
Date of birth/date of death: b. February 6 1858; d. October 15 1910.
Republican Party
1889 – 1900