| Name | Glenn County |
| State | California |
| FIPS Code | 06021 |
| County Seat | Willows |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2024) | 28,190 |
| Population Growth Rate(2020-2024) | -2.59% |
| Majority Ethnicity | White 54.96% |
| Public School Majority Ethnicity | Hispanic 54% |
| Partisan Voting Index | Republican:+16 |
| Unemployment Rate (May 2026) | 7.8% |
| Sales Tax Rate (2025) | 7.25% |
| Area Code(s) | 530 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 54.96% |
| African American | 0.51% |
| Hispanic | 40.55% |
| Asian | 2.49% |
| Native American | 1.41% |
| Hawaiin/Pacific Islander | 0.07% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 37.47% |
| African American | 0.34% |
| Hispanic | 54.46% |
| Asian | 2.02% |
| Native American | 1.94% |
| Hawaiin/Pacific Islander | 0.1% |