Glenn County, CA ZIP codes
There are 7 ZIP codes in Glenn County, CA, in 7 towns, from 95913 to 95988. The largest are 95963 (Orland), 95988 (Willows) and 95943 (Glenn).
The county seat is Willows.
- ZIP codes
- 7
- Towns
- 7
- County seat
- Willows
- County FIPS
06021- State
- California
- Population
- 28,494
- Median household income
- $67,139
- Land area
- 1,314 sq mi
Glenn County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Glenn County ZIP codes
The ZIP codes of Glenn County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Glenn County in numbers
About 28,494 people live in Glenn County, in 9,810 households, the 48th most populous of California's 58 counties. The median household income is $67,139 a year, 32% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $352,400 (52% below the California median), and median gross rent is $1,120 a month. The median age is 36.2; 15.1% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 23 minutes.
| Population | 28,494 |
|---|---|
| Households | 9,810 |
| Median age | 36.2 |
| Median household income | $67,139 |
| Median home value | $352,400 |
| Median gross rent | $1,120 |
| Bachelor's degree or higher | 15.1% |
| Mean commute | 22.9 min |
| Population density | 22 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Glenn County
| Town | ZIP codes | Population |
|---|---|---|
| Orland | 1 | 8,357 |
| Willows | 1 | 6,190 |
| Hamilton City | 1 | 2,267 |
| Glenn | 1 | 621 |
| Artois | 1 | 336 |
| Butte City | 1 | 278 |
| Elk Creek | 1 | 36 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Glenn County.
Not sure you are in Glenn County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Glenn County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
95913 | Artois , CA | Standard | 377 | $121,912 | $196,500 |
95920 | Butte City , CA | Standard | 278 | — | $273,900 |
95939 | Elk Creek , CA | Standard | 325 | $40,568 | $423,500 |
95943 | Glenn , CA | Standard | 621 | $49,744 | $1,173,100 |
95951 | Hamilton City , CA | Standard | 2,698 | $70,294 | $330,100 |
95963 | Orland , CA | Standard | 16,070 | $68,091 | $372,900 |
95988 | Willows , CA | Standard | 8,808 | $66,339 | $297,200 |
Cite this page
zipcodes.pro. “Glenn County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ca/county/glenn
Underlying data is public domain or openly licensed — sources, vintages and licences.