California's 12th Congressional District

California's 12th Congressional District elects one member to the U.S. House of Representatives. Below is the district's current representative, the members of Congress who held this seat before, and California's two U.S. Senators.

Current Representative

Lateefah Simon (Democrat) currently represents California's 12th Congressional District. See Lateefah Simon's full voting record and key issue positions →

District History — Past Representatives

Members of Congress who previously represented California's 12th Congressional District:

• Barbara Lee — Democrat (until 2025)
• Tom Lantos — Democrat (until 2008)
• Ernest Konnyu — Republican (until 1989)
• Edwin Zschau — Republican (until 1987)
• Paul McCloskey — Republican (until 1983)
• Allan Hunter — Republican (until 1955)
• Horace Voorhis — Democrat (until 1947)
• John Hoeppel — Democrat (until 1937)

California U.S. Senators

• Adam Schiff — Democrat Senator
• Alejandro Padilla — Democrat Senator
• Laphonza Butler — Democrat Senator
• Dianne Feinstein — Democrat Senator
• Kamala Harris — Democrat Senator
• Barbara Boxer — Democrat Senator
• Alan Cranston — Democrat Senator
• John Seymour — Republican Senator
• Pete Wilson — Republican Senator
• Samuel Hayakawa — Republican Senator
• John Tunney — Democrat Senator
• George Murphy — Republican Senator
• Thomas Kuchel — Republican Senator
• Clair Engle — Democrat Senator
• Pierre Salinger — Democrat Senator
• William Knowland — Republican Senator
• Richard Nixon — Republican Senator
• Sheridan Downey — Democrat Senator
• Hiram Johnson — Republican Senator
• William McAdoo — Democrat Senator
• Thomas Storke — Democrat Senator
• Samuel Shortridge — Republican Senator
• James Phelan — Democrat Senator
• John Works — Republican Senator
• George Perkins — Republican Senator
• Frank Flint — Republican Senator
• Thomas Bard — Republican Senator
• Stephen White — Democrat Senator
• Leland Stanford — Republican Senator
• Charles Felton — Republican Senator
• George Hearst — Democrat Senator
• John Miller — Republican Senator
• Abram Williams — Republican Senator
• James Farley — Democrat Senator
• Newton Booth — Republican Senator
• Aaron Sargent — Republican Senator
• John Hager — Democrat Senator
• Eugene Casserly — Democrat Senator
• Cornelius Cole — Republican Senator
• John Conness — Republican Senator
• James McDougall — Democrat Senator
• Milton Latham — Democrat Senator
• William Gwin — Democrat Senator
• Henry Haun — Democrat Senator
• David Broderick — Democrat Senator
• John Weller — Democrat Senator
• John Frémont — Democrat Senator

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