Alameda County, California Age & Gender Distribution (2024)
Population distribution by age and gender for Alameda County, California
Alameda County, California Age & Gender Statistics (2024)
Total Population
1,649,473
Median Age
39.0
Male Median
38.4
Female Median
39.7
Alameda County, California Population Growth
Alameda County, California Demographic Trend
Since 2010, the population of has changed by +11.6%%.
+11.6%% Growth
Alameda County, California Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Alameda County, California Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 39.0 | 1,649,473 |
| 2023 | 38.7 | 1,651,949 |
| 2022 | 38.4 | 1,663,823 |
| 2021 | 38.0 | 1,673,133 |
| 2020 | 37.8 | 1,661,584 |
| 2019 | 37.6 | 1,656,754 |
| 2018 | 37.4 | 1,643,700 |
| 2017 | 37.3 | 1,629,615 |
| 2016 | 37.2 | 1,605,217 |
| 2015 | 37.1 | 1,584,983 |
| 2014 | 36.9 | 1,559,308 |
| 2013 | 36.8 | 1,535,248 |
| 2012 | 36.6 | 1,515,136 |
| 2011 | 36.4 | 1,494,876 |
| 2010 | 36.2 | 1,477,980 |
Alameda County, California Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.2% |
| 5–17 | 14.5% |
| 18–24 | 7.9% |
| 25–34 | 15.5% |
| 35–54 | 29.2% |
| 55–64 | 12.1% |
| 65+ | 15.4% |
Dependency Ratios for Alameda County, California
- Total Dependency Ratio:
- 54.3
- Youth Dependency:
- 30.5
- Old-Age Dependency:
- 23.8
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Alameda County, California
The median age in Alameda County, California is 39.0 years.
According to latest Census data, the total population of Alameda County, California is 1,649,473.
In Alameda County, California, seniors (ages 65+) make up 15.4% of the population, while children under 18 represent 14.5%.
Based on historical data since 2010, the population in Alameda County, California is aging.