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Open Access Articles- Top Results for 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 Republicans Charles Grassley, who has served since 1981, and Joni Ernst, who has served since 2015.

Class 2

# Senator Party Years Term Electoral history
1 75px George W. Jones Democratic December 7, 1848 –
March 4, 1859
1 Elected in 1848
2 Re-elected in 1853

Lost renomination
2 75px James W. Grimes Republican March 4, 1859 –
December 6, 1869
3 Elected in 1859
4 Re-elected in 1865

Resigned due to ill health
Vacant December 6, 1869 –
January 18, 1870
3 75px James B. Howell Republican January 18, 1870 –
March 4, 1871
Elected to finish Grimes's term

Retired
4 75px George G. Wright Republican March 4, 1871 –
March 4, 1877
5 Elected in 1870

Retired
5 75px Samuel J. Kirkwood Republican March 4, 1877 –
March 7, 1881
6 Elected in 1876

Resigned to become U.S. Secretary of the Interior
6 75px James W. McDill Republican March 8, 1881 –
March 4, 1883
Appointed to continue Kirkwood's term

Elected to finish Kirkwood's term

Retired
7 75px James F. Wilson Republican March 4, 1883 –
March 4, 1895
7 Elected in 1882
8 Re-elected in 1888

Retired
8 75px John H. Gear Republican March 4, 1895 –
July 14, 1900
9 Elected in 1894

Died
Vacant July 14, 1900 –
August 22, 1900
9 75px Jonathan P. Dolliver Republican August 22, 1900 –
October 15, 1910
Appointed to finish Gear's term
10 Elected to full term in 1900
11 Re-elected in 1906

Died
Vacant October 15, 1910 –
November 12, 1910
10 75px Lafayette Young Republican November 12, 1910 –
April 11, 1911
Appointed to continue Dolliver's term

Lost election to finish Dolliver's term
11 75px William S. Kenyon Republican April 12, 1911 –
February 24, 1922
Elected to finish Dolliver's term
12 Re-elected in 1912
13 Re-elected in 1918

Resigned to become Judge of the U.S. Court of Appeals
12 75px Charles A. Rawson Republican February 24, 1922 –
December 1, 1922
Appointed to continue Kenyon's term

Retired when successor elected
13 75px Smith W. Brookhart Republican December 1, 1922 –
April 12, 1926
Elected to finish Kenyon's term
14 Re-elected in 1924

Lost election challenge
14 75px Daniel F. Steck Democratic April 12, 1926 –
March 4, 1931
Successfully challenged predecessor's election

Lost re-election
15 75px Lester J. Dickinson Republican March 4, 1931 –
January 3, 1937
15 Elected in 1930

Lost re-election
Vacant January 3, 1937 –
January 15, 1937
16 Successor failed to qualify until term as Governor ended
16 75px Clyde L. Herring Democratic January 15, 1937 –
January 3, 1943
Elected in 1936

Lost re-election
Vacant January 3, 1943 –
January 14, 1943
17
17 75px George A. Wilson Republican January 14, 1943 –
January 3, 1949
Elected in 1942 but waited to finish gubernatorial term

Lost re-election
18 75px Guy Gillette Democratic January 3, 1949 –
January 3, 1955
18 Elected in 1948

Lost re-election
19 75px Thomas E. Martin Republican January 3, 1955 –
January 3, 1961
19 Elected in 1954

Retired
20 75px Jack Miller Republican January 3, 1961 –
January 3, 1973
20 Elected in 1960
21 Re-elected in 1966

Lost re-election
21 75px Dick Clark Democratic January 3, 1973 –
January 3, 1979
22 Elected in 1972

Lost re-election
22 75px Roger Jepsen Republican January 3, 1979 –
January 3, 1985
23 Elected in 1978

Lost re-election
23 75px Tom Harkin Democratic January 3, 1985 –
January 3, 2015
24 Elected in 1984
25 Re-elected in 1990
26 Re-elected in 1996
27 Re-elected in 2002
28 Re-elected in 2008

Retired
24 75px Joni Ernst Republican January 3, 2015 –
Present
29 Elected in 2014
# Senator Party Years Term Electoral history

Class 3

# Senator Party Years Term Electoral history
1 75px Augustus C. Dodge Democratic December 7, 1848 –
February 22, 1855
1 Elected in 1848
2 Re-elected in 1849

Resigned to become U.S. Minister to Spain, having lost re-election
Vacant February 22, 1855 –
March 4, 1855
2 75px James Harlan Free Soil March 4, 1855 –
January 5, 1857
3 Elected in 1855

Elected invalidated, as the Iowa Senate had not participated in it
Vacant January 5, 1857 –
January 29, 1857
75px James Harlan Republican January 29, 1857 –
May 15, 1865
Re-elected after vacancy declared by Senate due to irregularities in the legislative proceedings that first elected Harlan to the Senate
4 Re-elected in 1861

Resigned to become U.S. Secretary of the Interior
Vacant May 15, 1865 –
January 13, 1866
3 75px Samuel J. Kirkwood Republican January 13, 1866 –
March 4, 1867
Elected to finish Harlan's term

Retired
4 75px James Harlan Republican March 4, 1867 –
March 4, 1873
5 Elected in 1867

Lost re-election
5 75px William B. Allison Republican March 4, 1873 –
August 4, 1908
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
Vacant August 4, 1908 –
November 24, 1908
6 75px Albert B. Cummins Republican November 24, 1908 –
July 30, 1926
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
Vacant July 30, 1926 –
August 7, 1926
7 75px David W. Stewart Republican August 7, 1926 –
March 4, 1927
Appointed to continue Cummins's term

Elected to finish Cummins's term

Retired
8 75px Smith W. Brookhart Republican March 4, 1927 –
March 4, 1933
15 Elected in 1926

Lost renomination and re-election as an Independent
9 75px Richard L. Murphy Democratic March 4, 1933 –
July 16, 1936
16 Elected in 1932

Died
Vacant July 16, 1936 –
November 3, 1936
10 75px Guy Gillette Democratic November 3, 1936 –
January 3, 1945
Elected to finish Murphy's term
17 Re-elected in 1938

Lost re-election
11 75px Bourke B. Hickenlooper Republican January 3, 1945 –
January 3, 1969
18 Elected in 1944
19 Re-elected in 1950
20 Re-elected in 1956
21 Re-elected in 1962

Retired
12 75px Harold Hughes Democratic January 3, 1969 –
January 3, 1975
22 Elected in 1968

Retired
13 75px John Culver Democratic January 3, 1975 –
January 3, 1981
23 Elected in 1974

Lost re-election
14 75px Chuck Grassley Republican January 3, 1981 –
Present
24 Elected in 1980
25 Re-elected in 1986
26 Re-elected in 1992
27 Re-elected in 1998
28 Re-elected in 2004
29 Re-elected in 2010
# Senator Party Years Term Electoral history

Living former U.S. Senators from Iowa

As of April 2015, there are four former U.S. Senators from the U.S. State of Iowa who are currently living at this time, one from Class 1 and three from Class 3.

Senator Term of office Class Date of birth (and age)
Dick Clark 1973–1979 2 (1928-09-14) September 14, 1928 (age 87)
John Culver 1975–1981 3 (1932-08-08) August 8, 1932 (age 83)
Roger Jepsen 1979–1985 2 (1928-12-23) December 23, 1928 (age 87)
Tom Harkin 1985–2015 2 (1939-11-19) November 19, 1939 (age 76)

See also