1857 California gubernatorial election

The 1857 California gubernatorial election was held on September 2, 1857, to elect the governor of California.

Counties that flipped from Know Nothing to Democratic

 * Amador
 * Butte
 * Colusa
 * El Dorado
 * Humboldt
 * Klamath
 * Mariposa
 * Merced
 * Monterey
 * Napa
 * Nevada
 * Placer
 * Plumas
 * Sacramento
 * San Joaquin
 * Santa Clara
 * Santa Cruz
 * Shasta
 * Sierra
 * Siskiyou
 * Solano
 * Trinity
 * Tuolumne
 * Yolo
 * Yuba

Counties that flipped from Democratic to Republican

 * Alameda
 * San Francisco