United States congressional delegations from Iowa

Iowa

Census Topic | Value

|

Population | 3,190,369
Gender |

50.2% Male

49.8% Female

Race |

84.5% White

4.1% Black

2.4% Asian

0.5% Native American

0.2% Pacific Islander

2.8% Other (single race)

5.6% Multiple

Ethnicity | 6.8% Hispanic or Latino origin
Median household income | $75,059
High school graduation rate | 93.3%
College graduation rate | 31.4%
Upcoming elections |

U.S. House, 2026

U.S. Senate, 2026

Source: U.S. Census Bureau, 2020 census and 2024 ACS data. Percentages are rounded to the nearest 0.1%.

This page displays the current and historical members of U.S. Congress from Iowa.

Here is the current partisan breakdown of the congressional members from Iowa.

Iowa congressional partisan compositionParty| U.S. Senate| U.S. House| Total

|
|
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Democratic| 0| 0| 0
Republican| 2| 4| 6
Independent| 0| 0| 0
Vacancies| 0| 0| 0
Total| 2| 4| 6

## Contents

* 1 Current members
* 1.1 U.S. Senate
* 1.2 U.S. House
* 2 District map
* 3 Historical members
* 3.1 U.S. Senate
* 3.2 U.S. House
* 4 2000s
* 5 1900s
* 6 1800s
* 6.1 Footnotes

## Current members[edit]

### U.S. Senate[edit]

See also: Classes of United States Senators

The current members of the U.S. Senate from Iowa are:

Office | Name | Party | Date assumed office | Date term ends

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U.S. Senate Iowa | Joni Ernst | Republican  | January 3, 2015 | January 3, 2027
U.S. Senate Iowa | Chuck Grassley | Republican  | January 3, 1981 | January 3, 2029

### U.S. House[edit]

The current members of the U.S. House from Iowa are:

Office | Name | Party | Date assumed office | Date term ends

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|
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U.S. House Iowa District 1 | Mariannette Miller-Meeks | Republican  | January 3, 2023 | January 3, 2027
U.S. House Iowa District 2 | Ashley Hinson | Republican  | January 3, 2023 | January 3, 2027
U.S. House Iowa District 3 | Zach Nunn | Republican  | January 3, 2023 | January 3, 2027
U.S. House Iowa District 4 | Randy Feenstra | Republican  | January 3, 2021 | January 3, 2027

## District map[edit]

## Historical members[edit]

### U.S. Senate[edit]

Historical Representation to the U.S. Senate by Party from Iowa

Party | Total
Democratic | 11
Republican | 27

Class 2 Senators from Iowa

Senator  | Party  | Years Served
George W. Jones | Democratic | 1848-1859
James W. Grimes | Republican | 1859-1869
James B. Howell | Republican | 1870-1871
George G. Wright | Republican | 1871-1877
Samuel J. Kirkwood | Republican | 1877-1881
James W. McDill | Republican | 1881-1883
James F. Wilson | Republican | 1883-1895
John H. Gear | Republican | 1895-1900
Jonathan P. Dolliver | Republican | 1900-1910
Lafayette Young | Republican | 1910-1911
William S. Kenyon | Republican | 1911-1922
Charles A. Rawson | Republican | 1922-1922
Smith W. Brookhart | Republican | 1922-1926
Daniel F. Steck | Democratic | 1926-1931
Lester J. Dickinson | Republican | 1931-1937
Clyde L. Herring | Democratic | 1937-1943
George A. Wilson | Republican | 1943-1949
Guy M. Gillette | Democratic | 1949-1955
Thomas E. Martin | Republican | 1955-1961
Jack R. Miller | Republican | 1961-1973
Richard C. Clark | Democratic | 1973-1979
Roger W. Jepsen | Republican | 1979-1985
Tom Harkin | Democratic | 1985-2015
Joni Ernst | Republican | 2015-Present

Class 3 Senators from Iowa

Senator  | Party  | Years Served
Augustus C. Dodge | Democratic | 1848-1855
James Harlan | Republican | 1855-1865
Samuel J. Kirkwood | Republican | 1866-1867
James Harlan | Republican | 1867-1873
William B. Allison | Republican | 1873-1908
Albert B. Cummins | Republican | 1908-1926
David W. Stewart | Republican | 1926-1927
Smith W. Brookhart | Republican | 1927-1933
Richard L. Murphy | Democratic | 1933-1936
Guy M. Gillette | Democratic | 1936-1945
Bourke B. Hickenlooper | Republican | 1945-1969
Harold E. Hughes | Democratic | 1969-1975
John C. Culver | Democratic | 1975-1981
Chuck Grassley | Republican | 1981-Present

### U.S. House[edit]

# 2000s[edit]

Historical Representation to the U.S. House by Party in the 2000s from Iowa

Party | Total
Democratic | 4
Republican | 7
Total Representatives | 11

Representatives to the U.S. House in Iowa 2000s

Representatives to the U.S. House from Iowa

Representative  | Party  | Years Served
Steve King | Republican | 2003-2021
Bruce Braley | Democratic | 2007-2015
Dave Loebsack | Democratic | 2007-2021
Rod Blum | Republican | 2015-2019
David Young | Republican | 2015-2019
Abby Finkenauer | Democratic | 2019-2021
Cindy Axne | Democratic | 2019-2023
Randy Feenstra | Republican | 2021-present
Mariannette Miller-Meeks | Republican | 2021-present
Ashley Hinson | Republican | 2021-present
Zach Nunn | Republican | 2023-present

# 1900s[edit]

Historical Representation to the U.S. House by Party in the 1900s from Iowa

Party | Total
Democratic | 32
Republican | 56
Total Representatives | 88

Representatives to the U.S. House in Iowa 1900s

Representatives to the U.S. House from Iowa

Representative  | Party  | Years Served
James P. Conner | Republican | 1900–1909
Walter I. Smith | Republican | 1900–1911
John N. W. Rumple | Republican | 1901–1903
Martin Joseph Wade | Democratic | 1903–1905
Benjamin P. Birdsall | Republican | 1903–1909
Albert F. Dawson | Republican | 1905–1911
Elbert H. Hubbard | Republican | 1905–1912
Daniel W. Hamilton | Democratic | 1907–1909
Charles A. Kennedy | Republican | 1907–1921
William Darius Jamieson | Democratic | 1909–1911
Nathan E. Kendall | Republican | 1909–1913
Charles E. Pickett | Republican | 1909–1913
Frank P. Woods | Republican | 1909–1919
James William Good | Republican | 1909–1921
Irvin S. Pepper | Democratic | 1911–1913
Solomon F. Prouty | Republican | 1911–1915
Horace Mann Towner | Republican | 1911–1923
William R. Green | Republican | 1911–1928
George Cromwell Scott | Republican | 1912–1915 and 1917–1919
Maurice Connolly | Democratic | 1913–1915
Sanford Kirkpatrick | Democratic | 1913–1915
Henry Vollmer | Democratic | 1914–1915
Thomas J. Steele | Democratic | 1915–1917
Burton E. Sweet | Republican | 1915–1923
Harry E. Hull | Republican | 1915–1925
C. William Ramseyer | Republican | 1915–1933
Cassius C. Dowell | Republican | 1915–1935 and 1937–1940
William D. Boies | Republican | 1919–1929
Lester J. Dickinson | Republican | 1919–1931
Cyrenus Cole | Republican | 1921–1933
William F. Kopp | Republican | 1921–1933
Hiram Kinsman Evans | Republican | 1923–1925
Thomas J. B. Robinson | Republican | 1923–1933
F. Dickinson Letts | Republican | 1925–1931
Lloyd Thurston | Republican | 1925–1939
Earl W. Vincent | Republican | 1928–1929
Ed H. Campbell | Republican | 1929–1933
Charles Edward Swanson | Republican | 1929–1933
Bernhard M. Jacobsen | Democratic | 1931–1936
Fred C. Gilchrist | Republican | 1931–1945
Albert C. Willford | Democratic | 1933–1935
Guy Mark Gillette | Democratic | 1933–1936
Edward C. Eicher | Democratic | 1933–1938
Fred Biermann | Democratic | 1933–1939
Otha Wearin | Democratic | 1933–1939
Hubert Utterback | Democratic | 1935–1937
John W. Gwynne | Republican | 1935–1949
Vincent F. Harrington | Democratic | 1937–1942
William S. Jacobsen | Democratic | 1937–1943
Thomas E. Martin | Republican | 1939–1955
Karl M. LeCompte | Republican | 1939–1959
Henry O. Talle | Republican | 1939–1959
Ben F. Jensen | Republican | 1939–1965
Robert K. Goodwin | Republican | 1940–1941
Paul H. Cunningham | Republican | 1941–1959
Harry E. Narey | Republican | 1942–1943
Charles B. Hoeven | Republican | 1943–1965
James I. Dolliver | Republican | 1945–1957
Harold R. Gross | Republican | 1949–1975
Fred Schwengel | Republican | 1955–1965 and 1957–1973
Merwin Coad | Democratic | 1957–1963
Steven V. Carter | Democratic | 1959
Leonard G. Wolf | Democratic | 1959–1961
John Henry Kyl | Republican | 1959–1965 and 1967–1973
Neal Smith | Democratic | 1959–1995
James E. Bromwell | Republican | 1961–1965
Bert Bandstra | Democratic | 1965–1967
Stanley L. Greigg | Democratic | 1965–1967
John R. Hansen | Democratic | 1965–1967
John R. Schmidhauser | Democratic | 1965–1967
John Culver | Democratic | 1965–1975
Wiley Mayne | Republican | 1967–1975
William J. Scherle | Republican | 1967–1975
Edward Mezvinsky | Democratic | 1973–1977
Mike Blouin | Democratic | 1975–1979
Chuck Grassley | Republican | 1975–1981
Tom Harkin | Democratic | 1975–1985
Berkley Bedell | Democratic | 1975–1987
Jim Leach | Republican | 1977–2007
Tom Tauke | Republican | 1979–1991
T. Cooper Evans | Republican | 1981–1987
Jim Ross Lightfoot | Republican | 1985–1997
David R. Nagle | Democratic | 1987–1993
Fred Grandy | Republican | 1987–1995
Jim Nussle | Republican | 1991–2007
Greg Ganske | Republican | 1995–2003
Tom Latham | Republican | 1995-2015
Leonard Boswell | Democratic | 1997-2013

# 1800s[edit]

Historical Representation to the U.S. House by Party in the 1800s from Iowa

Party | Total
Democratic | 18
Republican | 66
Whig | 2
Oppositionist | 1
Greenbacker | 3
Total Representatives | 90
Representatives to the U.S. House from Iowa

Representative  | Party  | Years Served
S. Clinton Hastings | Democratic | 1846–1847
Shepherd Leffler | Democratic | 1846–1851
William Thompson | Democratic | 1847–1850
Daniel F. Miller | Whig | 1850–1851
Lincoln Clark | Democratic | 1851–1853
Bernhart Henn | Democratic | 1851–1855
John P. Cook | Whig | 1853–1855
Augustus Hall | Democratic | 1855–1857
James Thorington | Oppositionist | 1855–1857
Timothy Davis | Republican | 1857–1859
Samuel Curtis | Republican | 1857–1861
William Vandever | Republican | 1859–1861
James Falconer Wilson | Republican | 1861–1869
Josiah B. Grinnell | Republican | 1863–1867
John A. Kasson | Republican | 1863–1867, 1873–1877, and 1881-1884
Asahel W. Hubbard | Republican | 1863–1869
Hiram Price | Republican | 1863–1869 and 1877–1881
William B. Allison | Republican | 1863–1871
Grenville M. Dodge | Republican | 1867–1869
William Loughridge | Republican | 1867–1871 and 1873–1875
William Smyth | Republican | 1869–1870
Charles Pomeroy | Republican | 1869–1871
Francis W. Palmer | Republican | 1869–1873
George W. McCrary | Republican | 1869–1877
William P. Wolf | Republican | 1870–1871
Madison M. Walden | Republican | 1871–1873
Aylett R. Cotton | Republican | 1871–1875
William G. Donnan | Republican | 1871–1875
Jackson Orr | Republican | 1871–1875
James W. McDill | Republican | 1873–1877
Henry O. Pratt | Republican | 1873–1877
James Wilson | Republican | 1873–1877 and 1883–1885
Lucien Lester Ainsworth | Democratic | 1875–1877
John Q. Tufts | Republican | 1875–1877
S. Addison Oliver | Republican | 1875–1879
Ezekiel S. Sampson | Republican | 1875–1879
Theodore W. Burdick | Republican | 1877–1879
Rush Clark | Republican | 1877–1879
Henry J. B. Cummings | Republican | 1877–1879
Joseph C. Stone | Republican | 1877–1879
William F. Sapp | Republican | 1877–1881
Nathaniel C. Deering | Republican | 1877–1883
Edward H. Gillette | Greenbacker | 1879–1881
James B. Weaver | Greenbacker | 1879–1881 and 1885–1889
Cyrus C. Carpenter | Republican | 1879–1883
William George Thompson | Republican | 1879–1883
Thomas Updegraff | Republican | 1879–1883 and 1893–1899
Moses A. McCoid | Republican | 1879–1885
Marsena E. Cutts | Republican | 1881–1883
Sewall S. Farwell | Republican | 1881–1883
William P. Hepburn | Republican | 1881–1887 and 1893–1909
John C. Cook | Democratic | 1883–1835
William H. M. Pusey | Democratic | 1883–1885
Luman Hamlin Weller | Greenbacker | 1883–1885
Jeremiah H. Murphy | Democratic | 1883–1887
Adoniram J. Holmes | Republican | 1883–1889
Isaac S. Struble | Republican | 1883–1891
David B. Henderson | Republican | 1883–1903
Hiram Y. Smith | Republican | 1884–1885
Benjamin T. Frederick | Democratic | 1885–1887
Benton J. Hall | Democratic | 1885–1887
William E. Fuller | Republican | 1885–1889
Joseph Lyman | Republican | 1885–1889
Edwin H. Conger | Republican | 1885–1890
Albert R. Anderson | Republican | 1887–1889
Daniel Kerr | Republican | 1887–1891
John H. Gear | Republican | 1887–1891 and 1893–1895
Walter I. Hayes | Democratic | 1887–1895
Joseph R. Reed | Republican | 1889–1891
Joseph H. Sweney | Republican | 1889–1891
John F. Lacey | Republican | 1889–1891 and 1893–1907
James P. Flick | Republican | 1889–1893
Jonathan P. Dolliver | Republican | 1889–1900
Edward R. Hays | Republican | 1890–1891
Thomas Bowman | Democratic | 1891–1893
Walter H. Butler | Democratic | 1891–1893
John Taylor Hamilton | Democratic | 1891–1893
John J. Seerley | Democratic | 1891–1893
Frederick E. White | Democratic | 1891–1893
George D. Perkins | Republican | 1891–1899
John A. T. Hull | Republican | 1891–1911
Alva L. Hager | Republican | 1893–1899
Robert G. Cousins | Republican | 1893–1909
Samuel M. Clark | Republican | 1895–1899
George M. Curtis | Republican | 1895–1899
Smith McPherson | Republican | 1899–1900
Joseph R. Lane | Republican | 1899–1901
Lot Thomas | Republican | 1899–1905
Thomas Hedge | Republican | 1899–1907
Gilbert N. Haugen | Republican | 1899–1933

## Footnotes[edit]

[show]

Iowa's current delegation to the United States Congress

Senators

Joni Ernst (R)

Chuck Grassley (R)

Representatives

District 1

Mariannette Miller-Meeks (R)

District 2

Ashley Hinson (R)

District 3

Zach Nunn (R)

District 4

Randy Feenstra (R)

Republican Party (6)

v • e

State of Iowa
Des Moines (capital)

|

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