Stanislaus County, California

Stanislaus County, California, has 557,719 residents (July 2025 estimate). Its county seat is Modesto. It uses Pacific Time and covers 1,496 sq mi (3,875 km²) of land.

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Stanislaus County in California
Alameda CountyMariposa CountyMerced CountySan Joaquin CountySanta Clara CountyTuolumne CountyModestoTurlockRiverbankPatterson
Stanislaus County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
557,719
Land area
1,496 sq mi (3,875 km²)
County seat or government
Modesto
Time zone
Pacific TimeUTC-08:00 in January; UTC-07:00 in July
Median household income
$81,468 ± $1,473
Median home value
$450,100 ± $3,186
Median rent, with utilities
$1,623 ± $24
Homes lived in by their owners
61.2% ± 0.9 points
County type
County
Metro or micro area
Modesto, CA metro areaCentral county
Water area
17.9 sq mi (46.4 km²)
State
California
County code (FIPS)
06099
Coordinates (central point)
37.562316, -121.002831

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Stanislaus County

Time zoneLocal time and UTC offsetNext clock change
Pacific TimeAmerica/Los_AngelesUTC-08:00 in January; UTC-07:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 9535560,710 people
  2. 9535057,136 people
  3. 9535148,498 people
  4. 9530746,310 people
  5. 9538043,960 people
  6. 9538239,083 people
  7. 9536134,810 people
  8. 9535633,233 people
  9. 9536330,769 people
  10. 9535830,469 people
  11. 9535425,684 people
  12. 9536725,593 people
All 29
  1. 9530415,841 people
  2. 9536813,900 people
  3. 9536013,779 people
  4. 9535713,599 people
  5. 9532013,500 people
  6. 9538610,666 people
  7. 9532610,593 people
  8. 953229,506 people
  9. 953168,022 people
  10. 953284,133 people
  11. 953292,954 people
  12. 953231,644 people
  13. 953191,327 people
  14. 953131,119 people
  15. 953871,032 people
  16. 95385602 people
  17. 95230403 people

29 ZIP Code areas overlap Stanislaus County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Stanislaus County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Stanislaus County, largest first

  1. Modesto City High School District280,635 people
  2. Modesto City Elementary School District118,197 people
  3. Sylvan Union Elementary School District76,671 people
  4. Turlock Unified School District75,414 people
  5. Ceres Unified School District58,223 people
  6. Stanislaus Union Elementary School District30,969 people
  7. Oakdale Joint Unified School District30,847 people
  8. Patterson Joint Unified School District30,262 people
  9. Empire Union Elementary School District29,131 people
  10. Salida Union Elementary School District19,984 people
  11. Riverbank Unified School District16,875 people
  12. Newman-Crows Landing Unified School District16,228 people
All 28
  1. Hughson Unified School District10,937 people
  2. Waterford Unified School District10,527 people
  3. Turlock Unified School District (9-12)10,439 people
  4. Denair Unified School District8,770 people
  5. Keyes Union Elementary School District5,883 people
  6. Chatom Union Elementary School District4,556 people
  7. Hart-Ransom Union Elementary School District4,008 people
  8. Hughson Unified School District (9-12)3,009 people
  9. Oakdale Joint Unified School District (9-12)2,882 people
  10. Valley Home Joint Elementary School District2,471 people
  11. Hickman Community Charter School District1,494 people
  12. Paradise Elementary School District1,004 people
  13. Gratton Elementary School District874 people
  14. Shiloh Elementary School District671 people
  15. Roberts Ferry Union Elementary School District641 people
  16. Knights Ferry Elementary School District411 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Modesto, California (city)219,215 people
  2. Turlock, California (city)72,502 people
  3. Ceres, California (city)49,342 people
  4. Riverbank, California (city)25,166 people
  5. Patterson, California (city)24,693 people
  6. Oakdale, California (city)23,194 people
  7. Salida, California (CDP)13,900 people
  8. Newman, California (city)12,316 people
  9. Waterford, California (city)9,204 people
  10. Hughson, California (city)7,648 people
  11. West Modesto, California (CDP)5,978 people
  12. Keyes, California (CDP)5,577 people
All 33
  1. Denair, California (CDP)4,914 people
  2. Bret Harte, California (CDP)4,757 people
  3. Bystrom, California (CDP)4,143 people
  4. Empire, California (CDP)3,429 people
  5. East Oakdale, California (CDP)2,269 people
  6. Diablo Grande, California (CDP)1,948 people
  7. Del Rio, California (CDP)1,508 people
  8. Parklawn, California (CDP)1,478 people
  9. Rouse, California (CDP)1,462 people
  10. Grayson, California (CDP)1,182 people
  11. Riverdale Park, California (CDP)1,137 people
  12. Orange Blossom, California (CDP)1,062 people
  13. Airport, California (CDP)903 people
  14. Hickman, California (CDP)844 people
  15. Westley, California (CDP)572 people
  16. Cowan, California (CDP)497 people
  17. Crows Landing, California (CDP)335 people
  18. Valley Home, California (CDP)328 people

See all 33 cities, towns and communities in Stanislaus County, largest first

Bordering areas, nearest first

Distances are straight lines between map points.

  1. San Joaquin County, California30 mi northwest
  2. Merced County, California30 mi southeast
  3. Santa Clara County, California44 mi southwest
  4. Calaveras County, California50 mi northeast
  5. Alameda County, California50 mi west
  6. Mariposa County, California60 mi east
  7. Tuolumne County, California65 mi northeast

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 where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.