Glenn County GIS Maps
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Glenn County, California, has 28,917 residents and covers 1,314.0 square miles. The population grew 2.8% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Glenn County is 06021.
Orland is the county's largest population center. Glenn County also includes 8 zip codes, 5 public school districts and 12 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.
Glenn County Trends
- Population
- 28,917▴
- Median Home Value
- $338,400▴
- K-12 Enrollment
- 4,479▾
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.
Glenn 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.
Glenn County Population
Glenn County had 28,917 residents in 2020. That was 2.8% higher than in 2010. Glenn County added 2,464 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 22 people per square mile. Some of the county's most populated postal areas include Orland, Willows and Chico.
Population Trend in Glenn County CA
Glenn County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Glenn County Zip Codes
Glenn County has 8 zip codes. Some of the county's most populated zip codes include Orland (95963), Willows (95988) and Chico (95951). Orland is the largest zip by population, with about 16,250 residents or 56% of the county total. Together, the three largest zips account for about 95% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Glenn County CA
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 95963 | Orland | 16,250 | ▴ 4.9% |
| 95988 | Willows | 8,842 | ▾ -0.2% |
| 95951 | Chico | 2,385 | ▾ -8.3% |
| 95943 | Glenn | 774 | ▾ -11.9% |
| 95939 | Elk Creek | 545 | ▾ -9.8% |
| Download all zip code data | |||
Glenn County Zip Code populations and trends per most recent census data.
Glenn County Demographics
Glenn County has a median age of 35.9, which makes the county a little younger than California overall. About 26.2% of residents are under 18, while 16.8% 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 30.7% of the population, which points to a solid working-age base. About 16.5% 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 Glenn County CA
Median Age
35.9
Under 18
26.2%
Age 65+
16.8%
Bachelor's+
16.5%
Glenn County School Districts
Glenn County is served by 5 public school districts with 4,479 students enrolled in 2024. The largest districts on the county map are Orland Joint Unified, Willows Unified and Hamilton Unified. Those three districts account for about 96% 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 Glenn County CA
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Orland Joint Unified School District | 2,191 | 48.9% | ▾ -2.3% |
| Willows Unified School District | 1,399 | 31.2% | ▴ 3.1% |
| Hamilton Unified School District | 708 | 15.8% | ▾ -1% |
| Princeton Joint Unified School District | 126 | 2.8% | ▴ 7.7% |
| Stony Creek Joint Unified School District | 55 | 1.2% | ▾ -22.5% |
| Download all school district data | |||
Glenn County school district enrollment and trends per most recent NCES reporting data.
Glenn County Housing & Real Estate
Glenn County has a median home value of $338,400 and a median gross rent of $1,103. About 63% 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 $424,750 and homes spent about 42 days on the market.
Glenn County Housing Mix
Glenn County housing mix: owner, renter and vacant units.
Glenn County Housing Trends
Glenn County median home value and rent trend (last 5 years).
Businesses in Glenn County, CA
Glenn County has 1,027 business listings across 312 categories. The largest categories in Glenn County business listings are Churches & Religious Organizations (35, 3.4%), Farm (34, 3.3%), and Gas Stations (24, 2.3%). The full Glenn County business listings dataset includes names, categories, addresses and contact details where available. Glenn County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Glenn County, CA
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 35 | 3.4% |
| Farm | 34 | 3.3% |
| Gas Stations | 24 | 2.3% |
| ATMs | 20 | 1.9% |
| Public And Government Association | 18 | 1.8% |
| Auto Repair | 17 | 1.7% |
| Beauty Salons | 16 | 1.6% |
| Parks & Recreation | 16 | 1.6% |
| Mexican Restaurants | 16 | 1.6% |
| Banks & Credit Unions | 13 | 1.3% |
Glenn County Business Listings
| Business | Category | City |
|---|---|---|
| Champ's Bookkeeping | Accountant | Orland |
| Equestrians In Harmony | Active Life | Orland |
| Valley Mirror | Advertising Agency | Willows |
| North State Hulling Cooperative, Inc. | Agricultural Cooperatives | Walnut Grove |
| Bastert Farm Eq. | Agricultural Service | Camp Point |
| Erick Nielsen Enterprises, Inc. | Agriculture | Orland |
| Willows-Glenn County Airport | Airport | Willows |
| E AND N PAINTING | Altering And Remodeling Contractor | Orland |
| SideTrax EMS | Ambulance And Ems Services | Willows |
| 4th Street Cafe & Bakery | American Restaurants | Orland |
| Download Glenn County business listings | ||
Glenn County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Glenn County Basemaps
Glenn 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 Glenn County Data Package
This page shows a preview of what's included in the Glenn 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 Glenn County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.