List of United States Senators from Iowa

List of United States Senators from Iowa

Iowa was admitted to the Union on December 28, 1846. Its current Senators are Republican Charles Grassley, who has served since 1981, and Democrat Tom Harkin, who has served since 1985.

Class 2

# Senator Party Years Other offices held Term Electoral history
1 GWJones.jpg George W. Jones Democratic December 7, 1848 –
March 4, 1859
Minister to New Granada 1 Elected in 1848
2 Re-elected in 1853

Lost renomination
2 James Wilson Grimes.jpg James W. Grimes Republican March 4, 1859 –
December 6, 1869
Governor of Iowa 3 Elected in 1859
4 Re-elected in 1865

Resigned due to ill health
December 6, 1869 –
January 18, 1870
3 James B. Howell - History of Iowa.jpg James B. Howell Republican January 18, 1870 –
March 4, 1871
Elected to finish Grimes's term

Retired
4 George Grover Wright.jpg George G. Wright Republican March 4, 1871 –
March 4, 1877
5 Elected in 1870

Retired
5 Samuel Jordan Kirkwood.jpg Samuel J. Kirkwood Republican March 4, 1877 –
March 7, 1881
U.S. Secretary of the Interior
Governor of Iowa
Previously served in Iowa's class 3 seat
6 Elected in 1876

Resigned to become U.S. Secretary of the Interior
6 James W. McDill - Brady-Handy.jpg James W. McDill Republican March 8, 1881 –
March 4, 1883
Iowa Railroad Commissioner Appointed to continue Kirkwood's term
Elected to finish Kirkwood's term

Retired
7 James Falconer Wilson - Brady-Handy.jpg James F. Wilson Republican March 4, 1883 –
March 4, 1895
President of the Iowa Senate
Member of the United States House of Representatives
House impeachment manager for the Trial of President Andrew Johnson
7 Elected in 1882
8 Re-elected in 1888

Retired
8 Johngear.jpg John H. Gear Republican March 4, 1895 –
July 14, 1900
Speaker of the Iowa House of Representatives
Governor of Iowa
9 Elected in 1894

Died
July 14, 1900 –
August 22, 1900
9 Jonathan P. Dolliver - History of Iowa.jpg Jonathan P. Dolliver Republican August 22, 1900 –
October 15, 1910
Member of the United States House of Representatives Appointed to finish Gear's term
10 Elected to full term in 1900
11 Re-elected in 1906

Died
October 15, 1910 –
November 12, 1910
10 SenatorLafayetteYoung.jpg Lafayette Young Republican November 12, 1910 –
April 11, 1911
Appointed to continue Dolliver's term

Lost election to finish Dolliver's term
11 William Squire Kenyon.jpg William S. Kenyon Republican April 12, 1911 –
February 24, 1922
Judge of the U.S. Court of Appeals Elected to finish Dolliver's term
12 Elected to full term in 1912
13 Re-elected in 1918

Resigned to become Judge of the U.S. Court of Appeals
12 Charles A Rawson - US Senator.jpg Charles A. Rawson Republican February 24, 1922 –
December 1, 1922
Appointed to continue Kenyon's term

Retired when successor elected
13 Smith Wildman Brookhart.jpg Smith W. Brookhart Republican December 1, 1922 –
April 12, 1926
Later served in Iowa's class 3 seat Elected to finish Kenyon's term
14 Elected to full term in 1924

Lost election challenge
14 Daniel Steck.jpg Daniel F. Steck Democratic April 12, 1926 –
March 4, 1931
Successfully challenged predecessor's election

Lost re-election
15 LJDickinson.jpg Lester J. Dickinson Republican March 4, 1931 –
January 3, 1937
15 Elected in 1930

Lost re-election
16 H000543.jpg Clyde L. Herring Democratic January 15, 1937 –
January 3, 1943
Governor of Iowa 16 Elected in 1936

Lost re-election
January 3, 1943 –
January 14, 1943
17
17 George Allison Wilson.jpg George A. Wilson Republican January 14, 1943 –
January 3, 1949
Governor of Iowa Elected in 1942 but waited to finish gubernatorial term

Lost re-election
18 Guy Mark Gillette.jpg Guy Gillette Democratic January 3, 1949 –
January 3, 1955
Previously served in Iowa's class 3 seat 18 Elected in 1948

Lost re-election
19 Thomas Ellsworth Martin.jpg Thomas E. Martin Republican January 3, 1955 –
January 3, 1961
19 Elected in 1954

Retired
20 SenatorJackMillerIA.jpg Jack Miller Republican January 3, 1961 –
January 3, 1973
Judge of the U.S. Court of Customs and Patent Appeals
Judge of the U.S. Court of Appeals
20 Elected in 1960
21 Re-elected in 1966

Lost re-election
21 Senator dick clark.jpg Dick Clark Democratic January 3, 1973 –
January 3, 1979
22 Elected in 1972

Lost re-election
22 Roger Jepsen.JPG Roger Jepsen Republican January 3, 1979 –
January 3, 1985
Lieutenant Governor of Iowa 23 Elected in 1978

Lost re-election
23 Tom Harkin official portrait.jpg Tom Harkin Democratic January 3, 1985 –
Present
Member of the United States House of Representatives 24 Elected in 1984
25 Re-elected in 1990
26 Re-elected in 1996
27 Re-elected in 2002
28 Re-elected in 2008
# Senator Party Years Other offices held Term Electoral history

Class 3

# Senator Party Years Other offices held Term Electoral history
1 Augustus Caesar Dodge.jpg Augustus C. Dodge Democratic December 7, 1848 –
February 22, 1855
Minister to Spain 1 Elected in 1848
2 Re-elected in 1849

Resigned to become U.S. Minister to Spain, having lost re-election
February 22, 1855 –
March 4, 1855
2 James-Harlan.jpg James Harlan Free Soil March 4, 1855 –
January 5, 1957
U.S. Secretary of the Interior
Later served in this seat
3 Elected in 1855

Elected invalidated, as the Iowa Senate had not participated in it.
January 5, 1957 –
January 29, 1857
Republican January 29, 1857 –
May 15, 1865
Elected again in 1857
4 Re-elected in 1861

Resigned to become U.S. Secretary of the Interior
May 15, 1865 –
January 13, 1866
3 Samuel Jordan Kirkwood.jpg Samuel J. Kirkwood Republican January 13, 1866 –
March 4, 1867
Secretary of the Interior
Governor of Iowa
Later served in Iowa's class 2 seat
Elected to finish Harlan's term

Retired
4 James-Harlan.jpg James Harlan Republican March 4, 1867 –
March 4, 1873
Previously served in this seat
U.S. Secretary of the Interior
5 Elected in 1867

Lost re-election
5 William B. Allison - Brady-Handy.jpg William B. Allison Republican March 4, 1873 –
August 4, 1908
Member of the U.S. House of Representatives 6 Elected in 1872
7 Re-elected in 1878
8 Re-elected in 1884
9 Re-elected in 1890
10 Re-elected in 1896
11 Re-elected in 1902

Died
August 4, 1908 –
November 24, 1908
6 Albert B Cummins.jpg Albert B. Cummins Republican November 24, 1908 –
July 30, 1926
Governor of Iowa
President pro tempore
Appointed to finish Allison's term
12 Elected to full term in 1908
13 Re-elected in 1914
14 Re-elected in 1920

Died, having lost renomination
July 30, 1926 –
August 7, 1926
7 David Wallace Stewart.jpg David W. Stewart Republican August 7, 1926 –
March 4, 1927
Appointed to continue Cummins's term
Elected to finish Cummins's term

Retired
8 Smith Wildman Brookhart.jpg Smith W. Brookhart Republican March 4, 1927 –
March 4, 1933
Previously served in Iowa's class 2 seat 15 Elected in 1926

Lost renomination and re-election as an Independent
9 SenatorRLouisMurphy.jpg Richard L. Murphy Democratic March 4, 1933 –
July 16, 1936
16 Elected in 1932

Died
July 16, 1936 –
November 3, 1936
10 Guy Mark Gillette.jpg Guy Gillette Democratic November 3, 1936 –
January 3, 1945
Member of the U.S. House of Representatives
Later served in Iowa's class 2 seat
17 Elected to finish Murphy's term
18 Elected to full term in 1938

Lost re-election
11 Hickenlooper.jpg Bourke B. Hickenlooper Republican January 3, 1945 –
January 3, 1969
Lieutenant Governor of Iowa
Governor of Iowa
19 Retired
12 H000922.jpg Harold Hughes Democratic January 3, 1969 –
January 3, 1975
Governor of Iowa 20 Elected in 1968

Retired
13 John Culver.jpg John Culver Democratic January 3, 1975 –
January 3, 1981
Member of the U.S. House of Representatives 21 Elected in 1974

Lost re-election
14 Chuck Grassley official photo.jpg Chuck Grassley Republican January 3, 1981 –
Present
Member of the U.S. House of Representatives 22 Elected in 1980
23 Re-elected in 1986
24 Re-elected in 1992
25 Re-elected in 1998
26 Re-elected in 2004
27 Re-elected in 2010
# Senator Party Years Other offices held Term Electoral history

See also

All text on this page is available under the Creative Commons Attribution-ShareAlike License. (See Terms of Use for details.)