County in California · 1,151 sq mi · 19 people per sq mi
21,656 people live in Colusa County. The typical household earns $75,672, and the median resident is 35.9 years old.
2026 projection
From 21,858 in 2020
Poverty rate 11.39%
Men 35.1 · Women 37.2
1850–2026
21,656
2026 projection
0.9% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1850–2026
21,656
2026 projection
0.9% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 21,656 | -180 | 0.82% |
|---|---|---|---|
| 2025 | 21,836 | -180 | 0.82% |
| 2024 | 22,016 | -36 | 0.16% |
| 2023 | 22,052 | +125 | 0.57% |
| 2022 | 21,927 | -22 | 0.10% |
| 2021 | 21,949 | +91 | 0.42% |
| 2020 | 21,858 | +384 | 1.79% |
| 2019 | 21,474 | +85 | 0.40% |
| 2018 | 21,389 | -169 | 0.78% |
| 2017 | 21,558 | +82 | 0.38% |
Showing 10 of 32 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 220 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 9 residents
52% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 52% | 52% | 51% |
| Never married | 32% | 33% | 30% |
| Divorced | 9% | 8% | 9% |
| Widowed | 6% | 4% | 8% |
| Separated | 2% | 2% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
8 sources, all from the U.S. Census Bureau