Colusa County, California Age & Gender Distribution (2024)
Population distribution by age and gender for Colusa County, California
Colusa County, California Age & Gender Statistics (2024)
Total Population
21,984
Median Age
35.9
Male Median
35.1
Female Median
37.2
Colusa County, California Population Growth
Colusa County, California Demographic Trend
Since 2010, the population of has changed by +3.9%%.
+3.9%% Growth
Colusa County, California Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Colusa County, California Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 35.9 | 21,984 |
| 2023 | 35.7 | 21,895 |
| 2022 | 36.0 | 21,811 |
| 2021 | 35.6 | 21,780 |
| 2020 | 35.4 | 21,491 |
| 2019 | 35.3 | 21,454 |
| 2018 | 35.1 | 21,464 |
| 2017 | 34.7 | 21,479 |
| 2016 | 34.7 | 21,361 |
| 2015 | 34.0 | 21,396 |
| 2014 | 34.1 | 21,424 |
| 2013 | 33.9 | 21,366 |
| 2012 | 33.9 | 21,329 |
| 2011 | 33.5 | 21,297 |
| 2010 | 34.0 | 21,165 |
Colusa County, California Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.2% |
| 5–17 | 20.7% |
| 18–24 | 9.1% |
| 25–34 | 12.2% |
| 35–54 | 24.6% |
| 55–64 | 11.6% |
| 65+ | 15.5% |
Dependency Ratios for Colusa County, California
- Total Dependency Ratio:
- 73.6
- Youth Dependency:
- 46.7
- Old-Age Dependency:
- 26.9
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Colusa County, California
The median age in Colusa County, California is 35.9 years.
According to latest Census data, the total population of Colusa County, California is 21,984.
In Colusa County, California, seniors (ages 65+) make up 15.5% of the population, while children under 18 represent 20.7%.
Based on historical data since 2010, the population in Colusa County, California is aging.