Tuolumne County, California
Tuolumne County is a county in California. Its county FIPS code is 06109. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 06109
- Representative coordinates
- 38.021434, -119.964733
- County type
- County
- County seat or government
- Sonora
- Resident population, July 2025
- 53,160
- Land area
- 5,752.135 km²
- Water area
- 138.667 km²
- State
- California
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Tuolumne County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Los_Angeles | UTC-08:00 in January; UTC-07:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
95223 · 95305 · 95309 · 95310 · 95311 · 95321 · 95327 · 95329 · 95335 · 95346 · 95364 · 95370 · 95372 · 95375 · 95379 · 95383 · 95389
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Use the US government local-office directory ↗ to find the office responsible for your address. A county website has not been confidently matched here. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Cedar Ridge CDP, CA
- Chinese Camp CDP, CA
- Cold Springs CDP, CA
- Columbia CDP, CA
- East Sonora CDP, CA
- Groveland CDP, CA
- Jamestown CDP, CA
- Long Barn CDP, CA
- Mi-Wuk Village CDP, CA
- Mono Vista CDP, CA
- Phoenix Lake CDP, CA
- Pine Mountain Lake CDP, CA
- Sierra Village CDP, CA
- Sonora city, CA
- Soulsbyville CDP, CA
- Strawberry CDP, CA
- Tuolumne City CDP, CA
- Tuttletown CDP, CA
- Twain Harte CDP, CA
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.