| ZIP Codes: | 15 ZIP Codes (10 Standard, 5 PO Box, 0 Unique) [See All] |
| Area Codes: | 209 / 350 |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 2:11:31 PM |
| Population: | 52,447 [See All] |
| FIPS: | 06109 |
| CBSA: | Sonora, CA |
| Land Area: | 2,293 sq mi |
| Water Area: | 30 sq mi |
| Coordinates: | 38.0053, -120.2012 |
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52,447 residents live across 15 ZIPs covering 2,293 sq mi, served by 15 distinct USPS-recognized cities.
Population moved from 52,947 to 52,447 from 2014 to 2024 — a -0.9% change. 5 ZIPs gained residents, 6 lost (and 1 held flat).
The county's wealthiest ZIP 95372 (Soulsbyville, $97,398 median) and poorest ZIP 95310 (Columbia, $54,697) are 7.9 miles apart — a 1.8× income gap across local geography.
Median home values vary 1.4× across this county — from $372,300 in 95327 (Jamestown) to $508,900 in 95346 (Mi Wuk Village).
Density varies 190× across the county — from 4 people/sq mi in 95321 (Groveland) to 726 in 95372 (Soulsbyville).
Educational attainment ranges from 11.6% bachelor's+ in 95327 (Jamestown) to 53.2% in 95346 (Mi Wuk Village) — the breadth of educational profiles across the area.
Within California, this is the #43 most populous of 58 counties and ranks #35 for median household income .
Weighted by population, the typical household earns about $79,467 across the county — reflecting what a typical resident sees, not a simple ZIP average.
25.0% of adults age 25+ hold a bachelor's degree or higher (10,059 of 40,249 reporting).
10 Standard delivery, 5 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 95370 | Sonora | Standard | 28,355 | $82,990 | 103.9 | 5.4% |
| 95327 | Jamestown | Standard | 8,752 | $68,040 | 181.3 | 0.8% |
| 95383 | Twain Harte | Standard | 3,782 | $86,970 | 156.1 | 1.4% |
| 95379 | Tuolumne | Standard | 3,598 | $74,230 | 23.5 | -6.2% |
| 95321 | Groveland | Standard | 3,464 | $74,000 | 908.7 | 0.1% |
| 95372 | Soulsbyville | Standard | 1,811 | $97,398 | 2.5 | -8.0% |
| 95310 | Columbia | Standard | 1,356 | $54,697 | 23.7 | -29.9% |
| 95346 | Mi Wuk Village | Standard | 923 | $92,057 | 5.2 | -40.1% |
| 95305 | Big Oak Flat | PO Box | 267 | — | 13.3 | 403.8% |
| 95335 | Long Barn | Standard | 83 | $67,857 | 112.7 | -86.5% |
| 95375 | Strawberry | PO Box | 56 | — | 0.0 | -75.4% |
| 95364 | Pinecrest | Standard | 0 | — | 755.6 | — |
| 95309 | Chinese Camp | PO Box | 0 | — | 6.5 | — |
| 95347 | Moccasin | PO Box | — | — | 0.0 | — |
| 95373 | Standard | PO Box | — | — | 0.0 | — |