Merced County, California Age & Gender Distribution (2024)
Population distribution by age and gender for Merced County, California
Merced County, California Age & Gender Statistics (2024)
Total Population
290,201
Median Age
31.8
Male Median
31.1
Female Median
32.5
Merced County, California Population Growth

Merced County, California Demographic Trend
Since 2010, the population of has changed by +15.8%%.
+15.8%% Growth
Merced County, California Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Merced County, California Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 31.8 | 290,201 |
| 2023 | 31.8 | 285,597 |
| 2022 | 31.5 | 282,290 |
| 2021 | 31.3 | 279,150 |
| 2020 | 31.2 | 273,661 |
| 2019 | 31.1 | 271,382 |
| 2018 | 30.9 | 269,075 |
| 2017 | 30.8 | 267,390 |
| 2016 | 30.6 | 265,001 |
| 2015 | 30.4 | 263,885 |
| 2014 | 30.2 | 261,609 |
| 2013 | 30.0 | 258,707 |
| 2012 | 29.7 | 256,398 |
| 2011 | 29.5 | 253,606 |
| 2010 | 29.3 | 250,699 |
Merced County, California Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 7.0% |
| 5–17 | 21.7% |
| 18–24 | 11.3% |
| 25–34 | 14.5% |
| 35–54 | 23.8% |
| 55–64 | 10.0% |
| 65+ | 11.7% |
Dependency Ratios for Merced County, California
- Total Dependency Ratio:
- 67.9
- Youth Dependency:
- 48.2
- Old-Age Dependency:
- 19.7
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Merced County, California
The median age in Merced County, California is 31.8 years.
According to latest Census data, the total population of Merced County, California is 290,201.
In Merced County, California, seniors (ages 65+) make up 11.7% of the population, while children under 18 represent 21.7%.
Based on historical data since 2010, the population in Merced County, California is aging.