Mendocino County GIS Maps

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Mendocino County, California, has 91,601 residents and covers 3,506.4 square miles. The population grew 4.3% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Mendocino County is 06045.

Ukiah is the county's largest population center. Mendocino County also includes 26 zip codes, 10 public school districts and 20 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show population, demographics, school enrollment and housing patterns in more detail.

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Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.

Mendocino County Trends

Population
91,601▴
Median Home Value
$486,000▴
K-12 Enrollment
11,661▴
Mendocino County in California

County analytics dashboards with historical trends & projections included in package downloads.

Mendocino County Maps

The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.

County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.

Mendocino County Population

Mendocino County had 91,601 residents in 2020. That was 4.3% higher than in 2010. Mendocino County added 5,336 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 26 people per square mile. Some of the county's most populated postal areas include Ukiah, Fort Bragg and Willits.

Population Trend in Mendocino County CA

Mendocino County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Mendocino County Zip Codes

Mendocino County has 26 zip codes. Some of the county's most populated zip codes include Ukiah (95482), Fort Bragg (95437) and Willits (95490). Ukiah is the largest zip by population, with about 33,276 residents or 36% of the county total. Together, the three largest zips account for about 68% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Mendocino County CA

ZIP Area Population Trend
95482 Ukiah 33,276 ▴ 4.6%
95437 Fort Bragg 14,608 ▾ -1.3%
95490 Willits 14,227 ▴ 7.3%
95470 Redwood Valley 6,041 ▴ 0.1%
95428 Covelo 3,017 ▴ 19.9%
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Mendocino County Zip Code populations and trends per most recent census data.

Mendocino County Demographics

Mendocino County has a median age of 43.9, which makes the county a little older than California overall. About 21.1% of residents are under 18, while 24.1% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 28.6% of the population, which points to a solid working-age base. About 24.9% of adults have a bachelor's degree or higher, above the statewide figure of 36.5%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.

Key Demographics for Mendocino County CA

Median Age

43.9

Under 18

21.1%

Age 65+

24.1%

Bachelor's+

24.9%

Mendocino County School Districts

Mendocino County is served by 10 public school districts with 11,661 students enrolled in 2024. The largest districts on the county map are Ukiah Unified, Fort Bragg Unified and Willits Unified. Those three districts account for about 78% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.

Largest School Districts by Enrollment in Mendocino County CA

District Enrollment Share Trend
Ukiah Unified School District 5,871 50.3% ▴ 1.5%
Fort Bragg Unified School District 1,669 14.3% ▾ -0.5%
Willits Unified School District 1,529 13.1% ▾ -1.1%
Southern Humboldt Joint Unified School District 647 5.5% ▴ 0.3%
Round Valley Unified School District 447 3.8% ▾ -0.7%
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Mendocino County school district enrollment and trends per most recent NCES reporting data.

Mendocino County Housing & Real Estate

Mendocino County has a median home value of $486,000 and a median gross rent of $1,325. About 61% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the California median, while rents come in below the state average. In March 2026, the median listing price was $628,500 and homes spent about 94 days on the market.

Mendocino County Housing Mix

Mendocino County housing mix: owner, renter and vacant units.

Mendocino County Housing Trends

Mendocino County median home value and rent trend (last 5 years).

Businesses in Mendocino County, CA

Mendocino County has 4,588 business listings across 635 categories. The largest categories in Mendocino County business listings are Winery (116, 2.5%), Parks & Recreation (86, 1.9%), and Hotels (78, 1.7%). The full Mendocino County business listings dataset includes names, categories, addresses and contact details where available. Mendocino County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Mendocino County, CA

Category Businesses Share
Winery 116 2.5%
Parks & Recreation 86 1.9%
Hotels 78 1.7%
Community & Nonprofits 69 1.5%
Gas Stations 61 1.3%
Churches & Religious Organizations 61 1.3%
Beauty Salons 58 1.3%
Campgrounds & RV Parks 54 1.2%
Auto Repair 52 1.1%
Real Estate Agents 52 1.1%

Mendocino County Business Listings

Business Category City
Lucky Deuce Abuse And Addiction Treatment Ukiah
Mendocino College Bookstore Academic Bookstore Ukiah
Round Valley Indian Reservation Accommodation Covelo
Mendoza Business Center Accountant Ukiah
Chandelier Tree Active Life Leggett
Clarity Health Clinic Acupuncture Fort Bragg
Paramount Sign Contractors Advertising Agency Redwood Valley
Mendocino Grain Project Agricultural Cooperatives Ukiah
Cold Creek Compost Agricultural Service Ukiah
Long Valley Feed and Supply Agriculture Laytonville
Download Mendocino County business listings

Mendocino County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Mendocino County Basemaps

Mendocino County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.

Get the Full Mendocino County Data Package

This page shows a preview of what's included in the Mendocino County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.

  • 20+ GIS layers for zip codes, school districts, roads, water, boundaries and more
  • Historical county demographics, housing, income and trend data
  • ZIP code population files and school district enrollment history
  • Database files, markdowns, AI-ready prompts and documentation
  • Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
  • Offline-ready data explorer, map and analytics tools

Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.

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