Modoc County GIS Maps
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Modoc County, California, has 8,700 residents and covers 3,915.5 square miles. The population declined 10.2% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Modoc County is 06049.
Alturas is the county's largest population center. Modoc County also includes 11 zip codes, 5 public school districts and 14 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.
Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.
Modoc County Trends
- Population
- 8,700▾
- Median Home Value
- $212,000▴
- K-12 Enrollment
- 2,604—
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Modoc 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.
Modoc County Population
Modoc County had 8,700 residents in 2020. That was 10.2% lower than in 2010. Modoc County had 749 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 2 people per square mile. Some of the county's most populated postal areas include Alturas, Tulelake and Cedarville.
Population Trend in Modoc County CA
Modoc County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Modoc County Zip Codes
Modoc County has 11 zip codes. Some of the county's most populated zip codes include Alturas (96101), Tulelake (96134) and Cedarville (96104). Alturas is the largest zip by population, with about 5,238 residents or 60% of the county total. Together, the three largest zips account for about 91% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Modoc County CA
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 96101 | Alturas | 5,238 | ▾ -4.6% |
| 96134 | Tulelake | 2,028 | ▾ -19.3% |
| 96104 | Cedarville | 613 | ▾ -18% |
| 96015 | Canby | 364 | ▾ -21.7% |
| 96054 | Lookout | 288 | ▾ -21.3% |
| Download all zip code data | |||
Modoc County Zip Code populations and trends per most recent census data.
Modoc County Demographics
Modoc County has a median age of 49, which makes the county a little older than California overall. About 19.2% of residents are under 18, while 31% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 65 and over at about 31% of the population, which points to an older population profile. About 23% of adults have a bachelor's degree or higher, above the statewide figure of 36.5%. The county is majority White by population, with Hispanic, Asian, Black and multiracial residents making up a meaningful share of the local mix.
Key Demographics for Modoc County CA
Median Age
49
Under 18
19.2%
Age 65+
31%
Bachelor's+
23%
Modoc County School Districts
Modoc County is served by 5 public school districts with 2,604 students enrolled in 2024. The largest districts on the county map are Fall River Joint Unified, Modoc Joint Unified and Tulelake Basin Joint Unified. Those three districts account for about 92% 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 Modoc County CA
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Fall River Joint Unified School District | 1,156 | 44.4% | ▾ -0.3% |
| Modoc Joint Unified School District | 766 | 29.4% | ▾ -5.4% |
| Tulelake Basin Joint Unified School District | 479 | 18.4% | ▴ 11.7% |
| Big Valley Joint Unified School District | 114 | 4.4% | ▾ -2.6% |
| Surprise Valley Joint Unified School District | 89 | 3.4% | ▴ 1.1% |
| Download all school district data | |||
Modoc County school district enrollment and trends per most recent NCES reporting data.
Modoc County Housing & Real Estate
Modoc County has a median home value of $212,000 and a median gross rent of $818. About 77% 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 $286,000 and homes spent about 154 days on the market.
Modoc County Housing Mix
Modoc County housing mix: owner, renter and vacant units.
Modoc County Housing Trends
Modoc County median home value and rent trend (last 5 years).
Businesses in Modoc County, CA
Modoc County has 447 business listings across 185 categories. The largest categories in Modoc County business listings are Structure And Geography (17, 3.8%), Churches & Religious Organizations (15, 3.4%), and Lake (15, 3.4%). The full Modoc County business listings dataset includes names, categories, addresses and contact details where available. Modoc County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Modoc County, CA
| Category | Businesses | Share |
|---|---|---|
| Structure And Geography | 17 | 3.8% |
| Churches & Religious Organizations | 15 | 3.4% |
| Lake | 15 | 3.4% |
| Mountain | 14 | 3.1% |
| Public And Government Association | 14 | 3.1% |
| Hotels | 10 | 2.2% |
| Post Offices | 9 | 2.0% |
| Convenience Stores | 8 | 1.8% |
| Gas Stations | 8 | 1.8% |
| Auto Repair | 8 | 1.8% |
Modoc County Business Listings
| Business | Category | City |
|---|---|---|
| Monica Derner CPA | Accountant | Alturas |
| South Warner Wilderness | Active Life | Modoc County |
| Macy's Flying Service | Agricultural Service | Tulelake |
| BEEF Cosmetics | Agriculture | Adin |
| Winema Airstrip | Airport | Modoc County |
| Southern Cascades EMS Operations Base & Training Center | Ambulance And Ems Services | Adin |
| Wagon Wheel Restaurant | American Restaurants | Alturas |
| High Plateau Humane Society | Animal Shelters | Alturas |
| Squeaky's | Antique Store | Cedarville |
| ALTURAS GARDENS APARTMENTS | Apartments | Alturas |
| Download Modoc County business listings | ||
Modoc County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Modoc County Basemaps
Modoc 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 Modoc County Data Package
This page shows a preview of what's included in the Modoc 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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Nearby Counties
Browse county data pages for the counties that border Modoc County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.