Mendocino County, California Age & Gender Distribution (2024)
Population distribution by age and gender for Mendocino County, California
Mendocino County, California Age & Gender Statistics (2024)
Total Population
90,244
Median Age
44.1
Male Median
43.2
Female Median
45.5
Mendocino County, California Population Growth

Mendocino County, California Demographic Trend
Since 2010, the population of has changed by +3.2%%.
+3.2%% Growth
Mendocino County, California Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Mendocino County, California Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 44.1 | 90,244 |
| 2023 | 43.9 | 90,709 |
| 2022 | 43.7 | 91,145 |
| 2021 | 43.6 | 91,534 |
| 2020 | 43.4 | 87,110 |
| 2019 | 43.1 | 87,224 |
| 2018 | 42.8 | 87,422 |
| 2017 | 42.4 | 87,497 |
| 2016 | 42.3 | 87,409 |
| 2015 | 42.2 | 87,544 |
| 2014 | 42.0 | 87,612 |
| 2013 | 41.8 | 87,497 |
| 2012 | 41.7 | 87,577 |
| 2011 | 41.4 | 87,525 |
| 2010 | 41.2 | 87,487 |
Mendocino County, California Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.2% |
| 5–17 | 15.8% |
| 18–24 | 6.9% |
| 25–34 | 10.8% |
| 35–54 | 23.8% |
| 55–64 | 13.0% |
| 65+ | 24.5% |
Dependency Ratios for Mendocino County, California
- Total Dependency Ratio:
- 83.4
- Youth Dependency:
- 38.4
- Old-Age Dependency:
- 45.0
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Mendocino County, California
The median age in Mendocino County, California is 44.1 years.
According to latest Census data, the total population of Mendocino County, California is 90,244.
In Mendocino County, California, seniors (ages 65+) make up 24.5% of the population, while children under 18 represent 15.8%.
Based on historical data since 2010, the population in Mendocino County, California is aging.