Glenn County, California
Glenn County is a county in California. Its county FIPS code is 06021. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 06021
- Representative coordinates
- 39.602546, -122.401700
- County type
- County
- County seat or government
- Willows
- Resident population, July 2025
- 28,141
- Land area
- 3,403.088 km²
- Water area
- 33.797 km²
- State
- California
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Glenn County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Los_Angeles | UTC-08:00 in January; UTC-07:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
95913 · 95920 · 95939 · 95943 · 95951 · 95963 · 95970 · 95988
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Use the US government local-office directory ↗ to find the office responsible for your address. A county website has not been confidently matched here. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
Areas sharing the mapped boundary
These areas touch this mapped boundary.
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 at your current point, check its ZIP area, or find its physical time zone.