Explore Sonora local geography, civic resources and voter guides, with dated official population and registration facts for Tuolumne County.
At a glance: Sonora is an incorporated city in Tuolumne County. Population: 5,280 (California Department of Finance estimate as of January 1, 2026). Registered voters: 3,030 (California Secretary of State, as of September 4, 2026).
Sonora is the county seat of Tuolumne County, in the foothills on the western slope of the Sierra Nevada. Sonora incorporated in 1851. Sonora incorporated on May 1, 1851. Sonora was historically called the Queen of the Southern Mines. Restoration of the Sonora Opera Hall formed part of the city’s downtown revitalization effort. Prospector Park on Bradford Street displays historic mining equipment. Dragoon Gulch Trail forms a two-and-a-half-mile loop through oak woodlands. Coffill Park occupies a former horse-stable site below Historic Washington Street. Regular council meetings are at 5 p.m. on the first and third Mondays in City Hall’s council chambers, 94 North Washington Street.
Sonora incorporated on May 1, 1851. Sonora was historically called the Queen of the Southern Mines. Restoration of the Sonora Opera Hall formed part of the city’s downtown revitalization effort.
Prospector Park on Bradford Street displays historic mining equipment. Dragoon Gulch Trail forms a two-and-a-half-mile loop through oak woodlands. Coffill Park occupies a former horse-stable site below Historic Washington Street.
Regular council meetings are at 5 p.m. on the first and third Mondays in City Hall’s council chambers, 94 North Washington Street.
The Tuolumne County elections office publishes registration and election information; its page is linked in the official resources below.
3,030 (California Secretary of State, as of September 4, 2026).
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