| Name | Colusa County |
| State | California |
| FIPS Code | 06011 |
| County Seat | Colusa |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2024) | 22,093 |
| Population Growth Rate(2020-2024) | 1.16% |
| Majority Ethnicity | Hispanic 53.22% |
| Public School Majority Ethnicity | Hispanic 79% |
| Partisan Voting Index | Republican:+12 |
| Unemployment Rate (May 2026) | 18.2% |
| Sales Tax Rate (2025) | 7.75% |
| Area Code(s) | 530 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 43.74% |
| African American | 1.21% |
| Hispanic | 53.22% |
| Asian | 0.57% |
| Native American | 1.2% |
| Hawaiin/Pacific Islander | 0.05% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 16.35% |
| African American | 0.69% |
| Hispanic | 79.08% |
| Asian | 1.08% |
| Native American | 1.35% |
| Hawaiin/Pacific Islander | 0.14% |