History / Congress

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

32 members have held this seat since Jan 1, 1850. Now: Adam B. Schiff D.

Holders
32
16 D · 16 R
Longest tenure
31 years
Dianne Feinstein
Current
22 months
Adam B. Schiff, since Dec 9, 2024
history/seat/ca-sen-1Every holder, newest first
+32
186018801900192019401960198020002020John Charles Frémont · 1850-01-01 – 1851-03-04 · DemocratJohn B. Weller · 1852-01-01 – 1857-03-04 · DemocratDavid Colbreth Broderick · 1857-03-04 – 1859-09-17 · DemocratHenry Peter Haun · 1859-11-03 – 1860-03-05 · DemocratMilton Slocum Latham · 1860-03-05 – 1863-03-04 · DemocratJohn Conness · 1863-12-07 – 1869-03-04 · RepublicanEugene Casserly · 1869-03-04 – 1873-11-30 · DemocratJohn Sharpenstein Hager · 1873-12-23 – 1875-03-04 · DemocratNewton Booth · 1875-12-06 – 1881-03-04 · RepublicanJohn Franklin Miller · 1881-03-04 – 1886-03-09 · RepublicanGeorge Hearst · 1886-03-23 – 1886-08-05 · DemocratGeorge Hearst · 1887-03-04 – 1891-03-01 · DemocratCharles Norton Felton · 1891-03-19 – 1893-03-04 · RepublicanStephen Mallory White · 1893-08-07 – 1899-03-04 · DemocratThomas Robert Bard · 1900-02-07 – 1905-03-04 · RepublicanFrank Putnam Flint · 1905-12-04 – 1911-03-04 · RepublicanJohn Downey Works · 1911-04-04 – 1917-03-04 · RepublicanHiram Warren Johnson · 1917-04-02 – 1923-03-04 · RepublicanHiram Warren Johnson · 1923-12-03 – 1929-03-04 · RepublicanHiram Warren Johnson · 1929-04-15 – 1945-08-07 · RepublicanWilliam Fife Knowland · 1945-08-26 – 1959-01-04 · RepublicanPierre Emil George Salinger · 1964-08-04 – 1965-01-01 · DemocratGeorge Lloyd Murphy · 1965-01-04 – 1971-01-04 · RepublicanJohn Varick Tunney · 1971-01-21 – 1977-01-04 · DemocratSamuel Ichiye Hayakawa · 1977-01-04 – 1983-01-04 · RepublicanJohn Seymour · 1991-01-07 – 1992-11-04 · RepublicanDianne Feinstein · 1992-11-04 – 2023-09-29 · DemocratLaphonza R. Butler · 2023-10-03 – 2024-12-09 · DemocratAdam B. Schiff · 2024-12-09 – present · DemocratAbram Pease Williams · 1886-08-04 – 1887-03-04 · RepublicanClair Engle · 1959-01-03 – 1964-07-31 · DemocratPete Wilson · 1983-01-03 – 1991-01-08 · Republican
Adam B. Schiff D
Dec 9, 2024 – present · 22 months
Laphonza R. Butler D
Oct 3, 2023 – Dec 9, 2024 · 14 months
Dianne Feinstein D
Nov 4, 1992 – Sep 29, 2023 · 31 years
John Seymour R
Jan 7, 1991 – Nov 4, 1992 · 22 months
Pete Wilson R
Jan 3, 1983 – Jan 8, 1991 · 8 years
Samuel Ichiye Hayakawa R
Jan 4, 1977 – Jan 4, 1983 · 6 years
John Varick Tunney D
Jan 21, 1971 – Jan 4, 1977 · 6 years
George Lloyd Murphy R
Jan 4, 1965 – Jan 4, 1971 · 6 years
Pierre Emil George Salinger D
Aug 4, 1964 – Jan 1, 1965 · 5 months
Clair Engle D
Jan 3, 1959 – Jul 31, 1964 · 5.6 years
William Fife Knowland R
Aug 26, 1945 – Jan 4, 1959 · 13 years
Hiram Warren Johnson R
Apr 15, 1929 – Aug 7, 1945 · 16 years
Hiram Warren Johnson R
Dec 3, 1923 – Mar 4, 1929 · 5.3 years
Hiram Warren Johnson R
Apr 2, 1917 – Mar 4, 1923 · 5.9 years
John Downey Works R
Apr 4, 1911 – Mar 4, 1917 · 5.9 years
Frank Putnam Flint R
Dec 4, 1905 – Mar 4, 1911 · 5.2 years
Thomas Robert Bard R
Feb 7, 1900 – Mar 4, 1905 · 5.1 years
Stephen Mallory White D
Aug 7, 1893 – Mar 4, 1899 · 5.6 years
Charles Norton Felton R
Mar 19, 1891 – Mar 4, 1893 · 2 years
George Hearst D
Mar 4, 1887 – Mar 1, 1891 · 4 years
Abram Pease Williams R
Aug 4, 1886 – Mar 4, 1887 · 7 months
George Hearst D
Mar 23, 1886 – Aug 5, 1886 · 4 months
John Franklin Miller R
Mar 4, 1881 – Mar 9, 1886 · 5 years
Newton Booth R
Dec 6, 1875 – Mar 4, 1881 · 5.2 years
John Sharpenstein Hager D
Dec 23, 1873 – Mar 4, 1875 · 14 months
Eugene Casserly D
Mar 4, 1869 – Nov 30, 1873 · 4.7 years
John Conness R
Dec 7, 1863 – Mar 4, 1869 · 5.2 years
Milton Slocum Latham D
Mar 5, 1860 – Mar 4, 1863 · 3 years
Henry Peter Haun D
Nov 3, 1859 – Mar 5, 1860 · 4 months
David Colbreth Broderick D
Mar 4, 1857 – Sep 17, 1859 · 2.5 years
John B. Weller D
Jan 1, 1852 – Mar 4, 1857 · 5.2 years
John Charles Frémont D
Jan 1, 1850 – Mar 4, 1851 · 14 months

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