California's 31st Congressional District

California's 31st 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

Gilbert Cisneros (Democrat) currently represents California's 31st Congressional District. See Gilbert Cisneros's full voting record and key issue positions →

District History — Past Representatives

Members of Congress who previously represented California's 31st Congressional District:

• Grace Napolitano — Democrat (until 2025)
• Gary Miller — Republican (until 2015)
• Matthew Martínez — Republican (until 2001)
• Mervyn Dymally — Democrat (until 1993)
• Charles Wilson — Democrat (until 1981)

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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