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County ZIP codes · California · FIPS 06109

Tuolumne County, CA ZIP Codes

Tuolumne County, California has 19 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 17 residential and 2 for PO boxes or a single organization. 14 of the residential ones lie mainly in Tuolumne County and 3 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $68,040 in 95327 (Jamestown) to $106,694 in 95223 (Arnold) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Tuolumne County?

95223 · Arnold: $107k95305 · Big Oak Flat: –95309 · Chinese Camp: –95310 · Columbia: $55k95311 · Coulterville: $56k95321 · Groveland: $74k95327 · Jamestown: $68k95329 · La Grange: $80k95335 · Long Barn: $68k95346 · Mi Wuk Village: $92k95364 · Pinecrest: –95370 · Sonora: $83k95372 · Soulsbyville: $97k95375 · Strawberry: –95379 · Tuolumne: $74k95383 · Twain Harte: $87k95389 · Yosemite National Park: $52k952239532195389953119532995327953649537095305953109538395335953799537595223 · Arnold: $107k95305 · Big Oak Flat: –95310 · Columbia: $55k95311 · Coulterville: $56k95321 · Groveland: $74k95327 · Jamestown: $68k95329 · La Grange: $80k95335 · Long Barn: $68k95346 · Mi Wuk Village: $92k95364 · Pinecrest: –95370 · Sonora: $83k95372 · Soulsbyville: $97k95375 · Strawberry: –95379 · Tuolumne: $74k95383 · Twain Harte: $87k95389 · Yosemite National Park: $52k952239532195389953119532995327953649537095305953109538395335953799537595223 · Arnold: $107k95305 · Big Oak Flat: –95310 · Columbia: $55k95311 · Coulterville: $56k95321 · Groveland: $74k95327 · Jamestown: $68k95329 · La Grange: $80k95335 · Long Barn: $68k95346 · Mi Wuk Village: $92k95364 · Pinecrest: –95370 · Sonora: $83k95372 · Soulsbyville: $97k95375 · Strawberry: –95379 · Tuolumne: $74k95383 · Twain Harte: $87k95389 · Yosemite National Park: $52k952239532195389953119532995327953649537095335
The residential ZIP codes of Tuolumne County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $74,000 and $82,990.

They carry 17 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 17 residential ZIP codes in Tuolumne County

14 ZIP codes lie mainly in Tuolumne County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Tuolumne County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
95370 Sonora 28,355 275 $83k $448k 100%
95327 Jamestown 8,752 55 $68k $372k 100%
95383 Twain Harte 3,782 57 $87k $461k 100%
95379 Tuolumne 3,598 139 $74k $416k 100%
95321 Groveland 3,464 8 $74k $393k 98%
95329 La Grange 2,954 25 $80k $420k 45%
95372 Soulsbyville 1,811 748 $97k $408k 100%
95310 Columbia 1,356 30 $55k $435k 100%
95346 Mi Wuk Village 923 181 $92k $509k 100%
95305 Big Oak Flat 267 5 – – 100%
95335 Long Barn 83 2 $68k $310k 100%
95375 Strawberry 56 4 – – 100%
95309 Chinese Camp no residents 0 – – 100%
95364 Pinecrest no residents 0 – – 100%

Partly in Tuolumne County

Residential ZIP codes mainly in another county that reach at least 1% into Tuolumne County, by their share here
In this county
95389 Yosemite National Park 2,181 7 $52k – 18%
95311 Coulterville 2,245 9 $56k $316k 2%
95223 Arnold 3,056 7 $107k $476k 2%

Download the 19 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

5 ZIP codes of Tuolumne County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Tuolumne County and in the neighboring counties
ZIPIn TuolumneElsewhere
9532198%Mariposa County 2%
952232%Alpine County 81%; Calaveras County 17%
9532945%Stanislaus County 37%; Mariposa County 18%
953112%Mariposa County 98%
9538918%Mariposa County 82%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in Tuolumne County without a residential area (GeoNames postal codes)
ZIPPostal name
95347Moccasin
95373Standard

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Tuolumne County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Tuolumne County's ZIP codes use 2 prefixes: 952 and 953.

Three-digit prefixes of Tuolumne County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Tuolumne County's
PrefixSectional centerHereAll codes
952 Sacramento, CA (SCF 956) 1 52
953 Sacramento, CA (SCF 956) 18 79

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.