History / Congress

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

18 members have held this seat since Nov 19, 1889. Now: Maria Cantwell D.

Holders

9 R · 9 D

Longest tenure

26 years

Maria Cantwell

Current

26 years

Maria Cantwell, since Jan 3, 2001

history/seat/wa-sen-1Every holder, newest first

+18

Maria Cantwell D

Jan 3, 2001 – present · 26 years

T. Slade Gorton R

Jan 3, 1989 – Jan 4, 2001 · 12 years

Daniel Jackson Evans R

Sep 8, 1983 – Jan 4, 1989 · 5.3 years

Henry Martin Jackson D

Jan 21, 1971 – Sep 2, 1983 · 13 years

Henry Martin Jackson D

Jan 7, 1959 – Jan 4, 1971 · 12 years

Henry Martin Jackson D

Jan 3, 1953 – Jan 4, 1959 · 6 years

Harry Pulliam Cain R

Dec 31, 1946 – Jan 4, 1953 · 6 years

Hugh Burnton Mitchell D

Jan 10, 1945 – Dec 26, 1946 · 23 months

Monrad Charles Wallgren D

Dec 19, 1940 – Jan 10, 1945 · 4.1 years

Lewis Baxter Schwellenbach D

Jan 3, 1935 – Dec 17, 1940 · 6 years

Clarence Cleveland Dill D

Apr 15, 1929 – Jan 4, 1935 · 5.7 years

Clarence Cleveland Dill D

Dec 3, 1923 – Mar 4, 1929 · 5.3 years

Miles Poindexter R

Apr 2, 1917 – Mar 4, 1923 · 5.9 years

Miles Poindexter R

Apr 4, 1911 – Mar 4, 1917 · 5.9 years

Samuel Henry Piles R

Dec 4, 1905 – Mar 4, 1911 · 5.2 years

Addison Gardner Foster R

Dec 4, 1899 – Mar 4, 1905 · 5.2 years

John Lockwood Wilson R

Dec 2, 1895 – Mar 4, 1899 · 3.3 years

John Beard Allen R

Nov 19, 1889 – Mar 4, 1893 · 3.3 years

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