Tuolumne County, CA ZIP Codes & Directory
Complete postal guide for Tuolumne County, California. Featuring the official county seat of Sonora, largest municipality Sonora, and serving 11 incorporated municipal entities.
Municipalities Located in Tuolumne County
Incorporated Cities, Towns, and Villages
Columbia
cityZIPs: 95310
Groveland
cityZIPs: 95321
Jamestown
cityZIPs: 95327
La Grange
cityZIPs: 95329
Long Barn
cityZIPs: 95335
Mi Wuk Village
cityZIPs: 95346
Pinecrest
cityZIPs: 95314, 95364
Sonora
cityZIPs: 95370
Soulsbyville
cityZIPs: 95372
Tuolumne
cityZIPs: 95379
Twain Harte
cityZIPs: 95383
Active USPS ZIP Codes in Tuolumne County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Tuolumne County, CA
What is the county seat and largest city in Tuolumne County? ▾
The official county seat of Tuolumne County is Sonora, and its largest incorporated municipality by population is Sonora.
How many cities, towns, and villages are in Tuolumne County? ▾
Tuolumne County encompasses 11 incorporated municipal entities, including 11 cities, 0 towns, and 0 villages.
What is the total population and land area of Tuolumne County? ▾
According to official U.S. Census Bureau data, Tuolumne County has a population of approximately 55,620 residents and spans an area of 2,221 square miles.
How many ZIP codes operate in Tuolumne County? ▾
There are 12 active USPS ZIP codes serving addresses within Tuolumne County, California.