Mendocino County, California
Mendocino County, California, has 88,122 residents (July 2025 estimate). Its county seat is Ukiah. It uses Pacific Time and covers 3,507 sq mi (9,083 km²) of land.
- Resident population, July 2025
- 88,122
- Land area
- 3,507 sq mi (9,083 km²)
- County seat or government
- Ukiah
- Time zone
- Pacific TimeUTC-08:00 in January; UTC-07:00 in July
- Median household income
- $68,092 ± $3,254
- Median home value
- $512,200 ± $19,774
- Median rent, with utilities
- $1,317 ± $51
- Homes lived in by their owners
- 61.7% ± 1.8 points
- County type
- County
- Metro or micro area
- Ukiah, CA micro areaCentral county
- Water area
- 371 sq mi (962 km²)
- State
- California
- County code (FIPS)
- 06045
- Coordinates (central point)
- 39.432388, -123.442881
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 Mendocino County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Pacific TimeAmerica/Los_Angeles | UTC-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
- 9548233,164 people
- 9543714,982 people
- 9549014,677 people
- 9542510,978 people
- 954706,226 people
- 954452,766 people
- 955422,463 people
- 954282,347 people
- 954602,199 people
- 954682,037 people
- 954491,763 people
- 954541,670 people
All 29
29 ZIP Code areas overlap Mendocino 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
Mendocino 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 Mendocino County, largest first
- Ukiah Unified School District41,067 people
- Fort Bragg Unified School District14,979 people
- Willits Unified School District14,140 people
- Point Arena Joint Union High School District7,318 people
- Southern Humboldt Joint Unified School District6,212 people
- Mendocino Unified School District5,682 people
- Arena Union Elementary School District4,817 people
- Round Valley Unified School District2,475 people
- Anderson Valley Unified School District1,894 people
- Laytonville Unified School District1,890 people
- Potter Valley Community Unified School District1,863 people
- Manchester Union Elementary School District875 people
All 13
- Leggett Valley Unified School District528 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.
Tribal areas in Mendocino County, largest first
- Manchester-Point Arena Rancheria390 people
- Round Valley Reservation and Off-Reservation Trust Land298 people
- Redwood Valley Rancheria273 people
- Pinoleville Rancheria227 people
- Sherwood Valley Rancheria and Off-Reservation Trust Land205 people
- Coyote Valley Reservation191 people
- Laytonville Rancheria142 people
- Hopland Rancheria124 people
- Guidiville Rancheria and Off-Reservation Trust Land78 people
American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Ukiah, California (city)16,304 people
- Fort Bragg, California (city)7,032 people
- Willits, California (city)4,920 people
- Brooktrails, California (CDP)4,398 people
- Redwood Valley, California (CDP)1,898 people
- Covelo, California (CDP)1,286 people
- Talmage, California (CDP)1,128 people
- Hopland, California (CDP)983 people
- Point Arena, California (city)789 people
- Anchor Bay, California (CDP)771 people
- Laytonville, California (CDP)720 people
- Boonville, California (CDP)667 people
All 23
- Cleone, California (CDP)613 people
- Mendocino, California (CDP)574 people
- Calpella, California (CDP)474 people
- Potter Valley, California (CDP)436 people
- Caspar, California (CDP)279 people
- Albion, California (CDP)250 people
- Manchester, California (CDP)184 people
- Comptche, California (CDP)163 people
- Little River, California (CDP)94 people
- Philo, California (CDP)60 people
- Leggett, California (CDP)24 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Lake County, California44 mi southeast
- Glenn County, California57 mi east
- Sonoma County, California69 mi southeast
- Tehama County, California80 mi northeast
- Trinity County, California86 mi north
- Humboldt County, California92 mi north
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.