List of United States senators from Iowa

Template:Short description Template:Use mdy dates Template:Multiple image Iowa was admitted to the Union on December 28, 1846, and elects United States senators to class 2 and class 3. The state's current U.S. senators are Republicans Chuck Grassley (serving since 1981) and Joni Ernst (serving since 2015). Chuck Grassley is Iowa's longest-serving senator (since 1981).

List of senators

|- style="height:2em" | rowspan=2 colspan=3 | Vacant | rowspan=2 nowrap | Dec 28, 1846 –
Dec 7, 1848 | rowspan=2 | Legislature failed to elect.Template:Sfn | rowspan=2 | — | Template:List of United States senators Congress | rowspan=2 | — | rowspan=2 | Legislature failed to elect.Template:Sfn | rowspan=2 nowrap | Dec 28, 1846 –
Dec 7, 1848 | rowspan=2 colspan=3 | Vacant

|- style="height:2em" | rowspan=2 Template:List of United States senators Congress

|- style="height:2em" ! rowspan=9 | 1 | rowspan=9 align=left | File:George Wallace Jones, US Senator.jpg
George W. Jones | rowspan=9 Template:Party shading/Democratic | Democratic | rowspan=9 nowrap | Dec 7, 1848 –
Mar 3, 1859 | rowspan=3 | Elected in 1848. | rowspan=3 | 1 | 1 | Elected in 1848. | rowspan=4 nowrap | Dec 7, 1848 –
Feb 22, 1855 | rowspan=4 Template:Party shading/Democratic | Democratic | rowspan=4 align=right | File:Augustus Caesar Dodge.jpg
Augustus C. Dodge ! rowspan=4 | 1

|- style="height:2em" | Template:List of United States senators Congress | rowspan=4 | 2 | rowspan=3 | Re-elected in 1849.Template:PbResigned to become U.S. Minister to Spain, having lost re-election.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" | rowspan=6 | Re-elected in 1852.Template:PbLost renomination. | rowspan=6 | 2 | rowspan=2 Template:List of United States senators Congress

|- style="height:2em" |   | nowrap | Feb 22, 1855 –
Mar 3, 1855 | colspan=3 | Vacant

|- style="height:2em" | rowspan=3 Template:List of United States senators Congress | rowspan=5 | 3 | Elected in 1855.Template:PbElected invalidated, as the Iowa Senate had not participated in it. | nowrap | Mar 4, 1855 –
Jan 5, 1857 | Template:Party shading/Free Soil | Free Soil | align=right | File:James-Harlan.jpg
James Harlan ! rowspan=8 | 2

|- style="height:2em" |   | nowrap | Jan 5, 1857 –
Jan 29, 1857 | colspan=2 | Vacant

|- style="height:2em" | rowspan=3 | Re-elected to finish his vacant term. | rowspan=6 nowrap | Jan 29, 1857 –
May 15, 1865 | rowspan=6 Template:Party shading/Republican | Republican | rowspan=6 align=right | File:James-Harlan.jpg
James Harlan

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" ! rowspan=8 | 2 | rowspan=8 align=left | File:Hon. James W. Grimes, Iowa - NARA - 528410 (cropped) (1).jpg
James W. Grimes | rowspan=8 Template:Party shading/Republican | Republican | rowspan=8 nowrap | Mar 4, 1859 –
Dec 6, 1869 | rowspan=3 | Elected in 1858. | rowspan=3 | 3 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=5 | 4 | rowspan=3 |Re-elected in 1860.Template:PbResigned to become U.S. Secretary of the Interior.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" | rowspan=5 | Re-elected in 1864.Template:PbResigned due to ill health. | rowspan=7 | 4 | rowspan=3 Template:List of United States senators Congress

|- style="height:2em" |   | nowrap | May 15, 1865 –
Jan 13, 1866 | colspan=3 | Vacant

|- style="height:2em" | Elected to finish Harlan's term.<ref>Clark, p. 141: Kirkwood 118 votes, John Thompson Stoneman (Democratic) 20</ref>Template:PbLost nomination for the next term. | nowrap | Jan 13, 1866 –
Mar 3, 1867 | Template:Party shading/Republican | Republican | align=right | File:Samuel Jordan Kirkwood.jpg
Samuel J. Kirkwood ! 3

|- style="height:2em" | Template:List of United States senators Congress | rowspan=5 | 5 | rowspan=5 | Elected in 1866.<ref>Clark, p. 141: Harlan 118 votes, Henry Hoffman Trimble (Democratic) 20</ref>Template:PbLost re-election. | rowspan=5 nowrap | Mar 4, 1867 –
Mar 3, 1873 | rowspan=5 Template:Party shading/Republican | Republican | rowspan=5 align=right | File:James-Harlan.jpg
James Harlan ! rowspan=5 | 4

|- style="height:2em" | rowspan=3 Template:List of United States senators Congress

|- style="height:2em" | colspan=3 | Vacant | nowrap | Dec 6, 1869 –
Jan 18, 1870 |  

|- style="height:2em" ! 3 | align=left | File:James B. Howell - History of Iowa.jpg
James B. Howell | Template:Party shading/Republican | Republican | nowrap | Jan 18, 1870 –
Mar 3, 1871 | Elected to finish Grimes's term.Template:PbRetired.

|- style="height:2em" ! rowspan=3 | 4 | rowspan=3 align=left | File:George Grover Wright.jpg
George G. Wright | rowspan=3 Template:Party shading/Republican | Republican | rowspan=3 nowrap | Mar 4, 1871 –
Mar 3, 1877 | rowspan=3 | Elected in 1870.Template:PbRetired. | rowspan=3 | 5 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 6 | rowspan=3 | Elected in 1872.Template:Sfn | rowspan=21 nowrap | Mar 4, 1873 –
Aug 4, 1908 | rowspan=21 Template:Party shading/Republican | Republican | rowspan=21 align=right | File:William B. Allison - Brady-Handy.jpg
William B. Allison ! rowspan=21 | 5

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" ! rowspan=3 | 5 | rowspan=3 align=left | File:Samuel Jordan Kirkwood.jpg
Samuel J. Kirkwood | rowspan=3 Template:Party shading/Republican | Republican | rowspan=3 nowrap | Mar 4, 1877 –
Mar 7, 1881 | rowspan=3 | Elected in 1876 or 1877.Template:PbResigned to become U.S. Secretary of the Interior. | rowspan=4 | 6 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=4 | 7 | rowspan=4 | Re-elected in 1878.<ref>Clark, p. 185: Allison 104 votes, Daniel F. Miller 35 votes, E. N. Gates 3 votes.</ref>

|- style="height:2em" | rowspan=2 Template:List of United States senators Congress

|- style="height:2em" ! 6 | align=left | File:James W. McDill - Brady-Handy.jpg
James W. McDill | Template:Party shading/Republican | Republican | nowrap | Mar 8, 1881 –
Mar 3, 1883 | Appointed to continue Kirkwood's term.Template:PbElected in 1882 to finish Kirkwood's term.<ref>Clark, p. 199: Moses M. Ham and Daniel Campbell lost.</ref>Template:PbRetired.

|- style="height:2em" ! rowspan=6 | 7 | rowspan=6 align=left | File:James Falconer Wilson - Brady-Handy.jpg
James F. Wilson | rowspan=6 Template:Party shading/Republican | Republican | rowspan=6 nowrap | Mar 4, 1883 –
Mar 3, 1895 | rowspan=3 | Elected in 1882.<ref>Clark, p. 199: La Vega G. Kinne and Daniel P. Stubbs lost.</ref> | rowspan=3 | 7 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 8 | rowspan=3 | Re-elected in 1884.<ref>Clark, p. 209: Allison 90 votes, Benton J. Hall 48 votes, David M. Clark 10 votes, La Vega G. Kinne 1 vote.</ref>

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" | rowspan=3 | Re-elected in 1888.Template:PbRetired. | rowspan=3 | 8 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 9 | rowspan=3 | Re-elected in 1890.<ref>Clark, p. 221: Allison 79 votes, Samuel L. Bestow (Democratic) 63 votes, William Larrabee 8 votes.</ref>

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" ! rowspan=3 | 8 | rowspan=3 align=left | File:John Henry Gear - Senator.jpg
John H. Gear | rowspan=3 Template:Party shading/Republican | Republican | rowspan=3 nowrap | Mar 4, 1895 –
Jul 14, 1900 | rowspan=3 | Elected in 1894.<ref>Clark, p. 234: Gear beat Democrat Horace Boies by votes unknown.</ref>Template:PbRe-elected in 1900,<ref>Clark, p. 245: Gear 111 votes, Fred E. White (Democratic) 32 votes.</ref> but died. | rowspan=5 | 9 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=5 | 10 | rowspan=5 | Re-elected in 1896.<ref>Clark, p. 238: Allison 118 votes, Washington Irving Babb (Democratic) 25 votes, Frank Q. Stuart 1 vote.</ref>

|- style="height:2em" | rowspan=3 Template:List of United States senators Congress

|- style="height:2em" | colspan=3 | Vacant | nowrap | Jul 14, 1900 –
Aug 22, 1900 |  

|- style="height:2em" ! rowspan=8 | 9 | rowspan=8 align=left | File:Jonathan P. Dolliver - History of Iowa.jpg
Jonathan P. Dolliver | rowspan=8 Template:Party shading/Republican | Republican | rowspan=8 nowrap | Aug 22, 1900 –
Oct 15, 1910 | Appointed to finish Gear's term.

|- style="height:2em" | rowspan=3 | Appointed to begin the vacant term.Template:PbElected in 1902 to finish the vacant term.<ref>Clark, p. 247: Dolliver 119 votes, John J. Seerley (Democratic) 20 votes.</ref> | rowspan=3 | 10 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=5 | 11 | rowspan=3 | Re-elected in 1902.<ref>Clark, p. 247: Allison 119 votes, Edward Hankinson Thayer (Democratic) 20 votes.</ref>Template:PbRenominated in 1908 but died before the general election.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" | rowspan=4 | Re-elected in 1907.Template:PbDied. | rowspan=8 | 11 | rowspan=3 Template:List of United States senators Congress

|- style="height:2em" |   | nowrap | Aug 4, 1908 –
Nov 24, 1908 | colspan=3 | Vacant

|- style="height:2em" | Elected to finish Allison's term. | rowspan=16 nowrap | Nov 24, 1908 –
Jul 30, 1926 | rowspan=16 Template:Party shading/Republican | Republican | rowspan=16 align=right | File:Albert B Cummins.jpg
Albert B. Cummins ! rowspan=16 | 6

|- style="height:2em" | rowspan=3 Template:List of United States senators Congress | rowspan=6 | 12 | rowspan=6 | Re-elected in 1909.

|- style="height:2em" | colspan=3 | Vacant | nowrap | Oct 15, 1910 –
Nov 12, 1910 |  

|- style="height:2em" ! rowspan=2 | 10 | rowspan=2 align=left | File:YOUNG, LAFFETTE. SENATOR LCCN2016857835 (cropped).jpg
Lafayette Young | rowspan=2 Template:Party shading/Republican | Republican | rowspan=2 nowrap | Nov 12, 1910 –
Apr 11, 1911 | rowspan=2 | Appointed to continue Dolliver's term.Template:PbLost election to finish Dolliver's term.

|- style="height:2em" | rowspan=2 Template:List of United States senators Congress

|- style="height:2em" ! rowspan=6 | 11 | rowspan=6 align=left | File:Hon. W.S. Kenyon LCCN2016821580 (cropped).jpg
William S. Kenyon | rowspan=6 Template:Party shading/Republican | Republican | rowspan=6 nowrap | Apr 12, 1911 –
Feb 24, 1922 | rowspan=1 | Elected to finish Dolliver's term.

|- style="height:2em" | rowspan=3 | Re-elected in 1913. | rowspan=3 | 12 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 13 | rowspan=3 | Re-elected in 1914.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" | rowspan=2 | Re-elected in 1918.Template:PbResigned to become Judge of the U.S. Court of Appeals. | rowspan=5 | 13 | Template:List of United States senators Congress

|- style="height:2em" | rowspan=3 Template:List of United States senators Congress | rowspan=8 | 14 | rowspan=6 | Re-elected in 1920.Template:PbLost renomination, then died.

|- style="height:2em" ! 12 | align=left | File:RAWSON, C.A. SENATOR LCCN2016861246 (cropped).jpg
Charles A. Rawson | Template:Party shading/Republican | Republican | nowrap | Feb 24, 1922 –
Dec 1, 1922 | Appointed to continue Kenyon's term.Template:PbRetired when his successor was elected.

|- style="height:2em" ! rowspan=3 | 13 | rowspan=3 align=left | File:Smith Wildman Brookhart.jpg
Smith W. Brookhart | rowspan=3 Template:Party shading/Republican | Republican | rowspan=3 nowrap | Dec 1, 1922 –
Apr 12, 1926 | rowspan=2 | Elected to finish Kenyon's term.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" | Re-elected in 1924.Template:PbLost election challenge. | rowspan=6 | 14 | rowspan=4 Template:List of United States senators Congress

|- style="height:2em" ! rowspan=5 | 14 | rowspan=5 align=left | File:STECK, DANIEL F. HONORABLE LCCN2016862447 (cropped).jpg
Daniel F. Steck | rowspan=5 Template:Party shading/Democratic | Democratic | rowspan=5 nowrap | Apr 12, 1926 –
Mar 3, 1931 | rowspan=5 | Successfully challenged his predecessor's election.Template:PbLost re-election.

|- style="height:2em" |   | nowrap | Jul 30, 1926 –
Aug 7, 1926 | colspan=3 | Vacant

|- style="height:2em" | Appointed to continue Cummins's term.Template:PbElected in 1926 to finish Cummins's term.Template:SfnTemplate:PbRetired. | nowrap | Aug 7, 1926 –
Mar 3, 1927 | Template:Party shading/Republican | Republican | align=right | File:David Wallace Stewart.jpg
David W. Stewart ! 7

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 15 | rowspan=3 | Elected in 1926.Template:PbLost renomination and then lost re-election as an Independent. | rowspan=3 nowrap | Mar 4, 1927 –
Mar 3, 1933 | rowspan=3 Template:Party shading/Republican | Republican | rowspan=3 align=right | File:Smith Wildman Brookhart.jpg
Smith W. Brookhart ! rowspan=3 | 8

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|- style="height:2em" ! rowspan=5 | 15 | rowspan=5 align=left | File:LJDickinson.jpg
L. J. Dickinson | rowspan=5 Template:Party shading/Republican | Republican | rowspan=5 nowrap | Mar 4, 1931 –
Jan 3, 1937 | rowspan=5 | Elected in 1930.Template:PbLost re-election. | rowspan=5 | 15 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=5 | 16 | rowspan=2 | Elected in 1932.Template:PbDied. | rowspan=2 nowrap | Mar 4, 1933 –
Jul 16, 1936 | rowspan=2 Template:Party shading/Democratic | Democratic | rowspan=2 align=right | File:SenatorRLouisMurphy.jpg
Louis Murphy ! rowspan=2 | 9

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|- style="height:2em" |   | nowrap | Jul 16, 1936 –
Nov 3, 1936 | colspan=3 | Vacant

|- style="height:2em" | rowspan=2 | Elected to finish Murphy's term. | rowspan=5 nowrap | Nov 3, 1936 –
Jan 3, 1945 | rowspan=5 Template:Party shading/Democratic | Democratic | rowspan=5 align=right | File:Guy Mark Gillette.jpg
Guy Gillette ! rowspan=5 | 10

|- style="height:2em" ! rowspan=3 | 16 | rowspan=3 align=left | File:Clyde Herring (cropped).jpg
Clyde L. Herring | rowspan=3 Template:Party shading/Democratic | Democratic | rowspan=3 nowrap | Jan 3, 1937 –
Jan 3, 1943 | rowspan=3 | Elected in 1936.
Did not take seat until Jan 15, 1937 in order to remain Governor of Iowa.Template:PbLost re-election. | rowspan=3 | 16 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 17 | rowspan=3 | Re-elected in 1938.Template:PbLost re-election.

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|- style="height:2em"

|- style="height:2em" ! rowspan=3 | 17 | rowspan=3 align=left | File:George Allison Wilson.jpg
George A. Wilson | rowspan=3 Template:Party shading/Republican | Republican | rowspan=3 nowrap | Jan 3, 1943 –
Jan 3, 1949 | rowspan=3 | Elected in 1942.
Did not take seat until Jan 14, 1943 in order to remain Governor of Iowa.Template:PbLost re-election. | rowspan=3 | 17 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 18 | rowspan=3 | Elected in 1944. | rowspan=12 nowrap | Jan 3, 1945 –
Jan 3, 1969 | rowspan=12 Template:Party shading/Republican | Republican | rowspan=12 align=right | File:Bourke B. Hickenlooper.jpg
Bourke B. Hickenlooper ! rowspan=12 | 11

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|- style="height:2em" ! rowspan=3 | 18 | rowspan=3 align=left | File:Guy Mark Gillette.jpg
Guy Gillette | rowspan=3 Template:Party shading/Democratic | Democratic | rowspan=3 nowrap | Jan 3, 1949 –
Jan 3, 1955 | rowspan=3 | Elected in 1948.Template:PbLost re-election. | rowspan=3 | 18 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 19 | rowspan=3 | Re-elected in 1950.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" ! rowspan=3 | 19 | rowspan=3 align=left | File:Thomas Ellsworth Martin.jpg
Thomas E. Martin | rowspan=3 Template:Party shading/Republican | Republican | rowspan=3 nowrap | Jan 3, 1955 –
Jan 3, 1961 | rowspan=3 | Elected in 1954.Template:PbRetired. | rowspan=3 | 19 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 20 | rowspan=3 | Re-elected in 1956.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" ! rowspan=6 | 20 | rowspan=6 align=left | File:SenatorJackMillerIA.jpg
Jack Miller | rowspan=6 Template:Party shading/Republican | Republican | rowspan=6 nowrap | Jan 3, 1961 –
Jan 3, 1973 | rowspan=3 | Elected in 1960. | rowspan=3 | 20 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 21 | rowspan=3 | Re-elected in 1962Template:PbRetired.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" | rowspan=3 | Re-elected in 1966.Template:PbLost re-election. | rowspan=3 | 21 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 22 | rowspan=3 | Elected in 1968.Template:PbRetired. | rowspan=3 nowrap | Jan 3, 1969 –
Jan 3, 1975 | rowspan=3 Template:Party shading/Democratic | Democratic | rowspan=3 align=right | File:Harold Hughes, US Senator.jpg
Harold Hughes ! rowspan=3 | 12

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|- style="height:2em" ! rowspan=3 | 21 | rowspan=3 align=left | File:Senator dick clark.jpg
Dick Clark | rowspan=3 Template:Party shading/Democratic | Democratic | rowspan=3 nowrap | Jan 3, 1973 –
Jan 3, 1979 | rowspan=3 | Elected in 1972.Template:PbLost re-election. | rowspan=3 | 22 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 23 | rowspan=3 | Elected in 1974.Template:PbLost re-election. | rowspan=3 nowrap | Jan 3, 1975 –
Jan 3, 1981 | rowspan=3 Template:Party shading/Democratic | Democratic | rowspan=3 align=right | File:John Culver.jpg
John Culver ! rowspan=3 | 13

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|- style="height:2em" ! rowspan=3 | 22 | rowspan=3 align=left | File:Roger Jepsen.JPG
Roger Jepsen | rowspan=3 Template:Party shading/Republican | Republican | rowspan=3 nowrap | Jan 3, 1979 –
Jan 3, 1985 | rowspan=3 | Elected in 1978.Template:PbLost re-election. | rowspan=3 | 23 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 24 | rowspan=3 | Elected in 1980. | rowspan=24 nowrap | Jan 3, 1981 –
present | rowspan=24 Template:Party shading/Republican | Republican | rowspan=24 align=right | File:Chuck Grassley official photo 2017.jpg
Chuck Grassley ! rowspan=24 | 14

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" ! rowspan=15 | 23 | rowspan=15 align=left | File:Tom Harkin official portrait.jpg
Tom Harkin | rowspan=15 Template:Party shading/Democratic | Democratic | rowspan=15 nowrap | Jan 3, 1985 –
Jan 3, 2015 | rowspan=3 | Elected in 1984. | rowspan=3 | 24 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 25 | rowspan=3 | Re-elected in 1986.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" | rowspan=3 | Re-elected in 1990. | rowspan=3 | 25 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 26 | rowspan=3 | Re-elected in 1992.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" | rowspan=3 | Re-elected in 1996. | rowspan=3 | 26 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 27 | rowspan=3 | Re-elected in 1998.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" | rowspan=3 | Re-elected in 2002. | rowspan=3 | 27 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 28 | rowspan=3 | Re-elected in 2004.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" | rowspan=3 | Re-elected in 2008Template:PbRetired. | rowspan=3 | 28 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 29 | rowspan=3 | Re-elected in 2010.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" ! rowspan=6 | 24 | rowspan=6 align=left | File:Joni Ernst, official portrait, 116th Congress 3.jpg
Joni Ernst | rowspan=6 Template:Party shading/Republican | Republican | rowspan=6 nowrap | Jan 3, 2015 –
present | rowspan=3 | Elected in 2014. | rowspan=3 | 29 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3 | 30 | rowspan=3 | Re-elected in 2016.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" | rowspan=3 |Re-elected in 2020.Template:PbRetiring at the end of term. | rowspan=3 | 30 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | rowspan=3|31 | rowspan=3| Re-elected in 2022.

|- style="height:2em" | Template:List of United States senators Congress

|- style="height:2em" | rowspan=2 colspan=5 | To be determined in the 2026 election. | rowspan=2 | 31 | Template:List of United States senators Congress

|- style="height:2em" | Template:List of United States senators Congress | 32 | colspan=5 | To be determined in the 2028 election.

See also

• List of United States representatives from Iowa
• United States congressional delegations from Iowa
• Elections in Iowa

References

• Template:Cite book
• {{#invoke:citation/CS1|citation

|CitationClass=web }} Template:United States senators from Iowa Template:U.S. congressional delegations Template:IA-FedRep