History / Congress

U.S. Senate seat, Wisconsin (class 1)

22 members have held this seat since Jan 1, 1848. Now: Tammy Baldwin D.

Holders
22
13 R · 8 D · 1 P
Longest tenure
24 years
Herb Kohl
Current
14 years
Tammy Baldwin, since Jan 3, 2013
history/seat/wi-sen-1Every holder, newest first
+22
186018801900192019401960198020002020Henry Dodge · 1848-01-01 – 1851-03-04 · DemocratHenry Dodge · 1851-12-01 – 1857-03-04 · DemocratJames Rood Doolittle · 1857-12-07 – 1863-03-04 · RepublicanJames Rood Doolittle · 1863-12-07 – 1869-03-04 · RepublicanMatthew Hale Carpenter · 1869-03-04 – 1875-03-04 · RepublicanAngus Cameron · 1875-12-06 – 1881-03-04 · RepublicanPhiletus Sawyer · 1881-12-05 – 1887-03-04 · RepublicanPhiletus Sawyer · 1887-12-05 – 1893-03-04 · RepublicanJohn Lendrum Mitchell · 1893-08-07 – 1899-03-04 · DemocratJoseph Very Quarles · 1899-12-04 – 1905-03-04 · RepublicanRobert Marion La Follette · 1906-01-04 – 1911-03-04 · RepublicanRobert Marion La Follette · 1911-04-04 – 1917-03-04 · RepublicanRobert Marion La Follette · 1917-04-02 – 1923-03-04 · RepublicanRobert Marion La Follette · 1923-12-03 – 1925-06-19 · RepublicanRobert Marion La Follette Jr. · 1925-12-07 – 1929-03-04 · RepublicanRobert Marion La Follette Jr. · 1929-04-15 – 1947-01-04 · Republican → ProgressiveWilliam Proxmire · 1957-08-28 – 1959-01-04 · DemocratWilliam Proxmire · 1959-01-07 – 1971-01-04 · DemocratWilliam Proxmire · 1971-01-21 – 1989-01-04 · DemocratTammy Baldwin · 2013-01-03 – present · DemocratJoseph Raymond McCarthy · 1947-01-03 – 1957-05-03 · RepublicanHerb Kohl · 1989-01-03 – 2013-01-04 · Democrat
Tammy Baldwin D
Jan 3, 2013 – present · 14 years
Herb Kohl D
Jan 3, 1989 – Jan 4, 2013 · 24 years
William Proxmire D
Jan 21, 1971 – Jan 4, 1989 · 18 years
William Proxmire D
Jan 7, 1959 – Jan 4, 1971 · 12 years
William Proxmire D
Aug 28, 1957 – Jan 4, 1959 · 16 months
Joseph Raymond McCarthy R
Jan 3, 1947 – May 3, 1957 · 10 years
Robert Marion La Follette Jr. R→P
Apr 15, 1929 – Jan 4, 1947 · 18 years
Robert Marion La Follette Jr. R
Dec 7, 1925 – Mar 4, 1929 · 3.2 years
Robert Marion La Follette R
Dec 3, 1923 – Jun 19, 1925 · 19 months
Robert Marion La Follette R
Apr 2, 1917 – Mar 4, 1923 · 5.9 years
Robert Marion La Follette R
Apr 4, 1911 – Mar 4, 1917 · 5.9 years
Robert Marion La Follette R
Jan 4, 1906 – Mar 4, 1911 · 5.2 years
Joseph Very Quarles R
Dec 4, 1899 – Mar 4, 1905 · 5.2 years
John Lendrum Mitchell D
Aug 7, 1893 – Mar 4, 1899 · 5.6 years
Philetus Sawyer R
Dec 5, 1887 – Mar 4, 1893 · 5.2 years
Philetus Sawyer R
Dec 5, 1881 – Mar 4, 1887 · 5.2 years
Angus Cameron R
Dec 6, 1875 – Mar 4, 1881 · 5.2 years
Matthew Hale Carpenter R
Mar 4, 1869 – Mar 4, 1875 · 6 years
James Rood Doolittle R
Dec 7, 1863 – Mar 4, 1869 · 5.2 years
James Rood Doolittle R
Dec 7, 1857 – Mar 4, 1863 · 5.2 years
Henry Dodge D
Dec 1, 1851 – Mar 4, 1857 · 5.3 years
Henry Dodge D
Jan 1, 1848 – Mar 4, 1851 · 3.2 years

Dates are from the @unitedstates congress-legislators project. Consecutive terms of one person are merged.