| Name | Colusa County |
| State | California |
| FIPS Code | 06011 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2020) | 21,839 |
| Population Growth Rate(2000-2020) | 1.96% |
| Majority Ethnicity | White 58.1% |
| Public School Majority Ethnicity | Hispanic 77% |
| Partisan Voting Index | Republican:+6 |
| Unemployment Rate | 12.2% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 58.1% |
| African American | 1.12% |
| Hispanic | 39% |
| Asian | 1% |
| Native American | 0.62% |
| Hawaiin/Pacific Islander | 0.16% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 18.84% |
| African American | 0.58% |
| Hispanic | 76.56% |
| Asian | 0.96% |
| Native American | 1.6% |
| Hawaiin/Pacific Islander | 0.17% |