Sonora
- County:
- Tuolumne County
- County Seat:
- Yes
- Area (mi²):
- 3.163
- State:
- California
Sonora is a city located in Tuolumne County, California. Sonora has a 2026 population of 4,855. It is also the county seat of Tuolumne County. Sonora is currently growing at a rate of 0.19% annually but its population has decreased by -2.88% since the most recent census, which recorded a population of 4,999 in 2020.