Mercer County, Ohio Age & Gender Distribution (2024)
Population distribution by age and gender for Mercer County, Ohio
Mercer County, Ohio Age & Gender Statistics (2024)
Total Population
42,484
Median Age
39.4
Male Median
37.9
Female Median
41.0
Mercer County, Ohio Population Growth
Mercer County, Ohio Demographic Trend
Since 2010, the population of has changed by +3.7%%.
+3.7%% Growth
Mercer County, Ohio Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Mercer County, Ohio Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 39.4 | 42,484 |
| 2023 | 39.1 | 42,438 |
| 2022 | 39.4 | 42,321 |
| 2021 | 39.4 | 42,154 |
| 2020 | 39.4 | 41,034 |
| 2019 | 39.6 | 40,884 |
| 2018 | 39.9 | 40,806 |
| 2017 | 39.8 | 40,723 |
| 2016 | 40.0 | 40,886 |
| 2015 | 40.1 | 40,863 |
| 2014 | 39.8 | 40,789 |
| 2013 | 39.5 | 40,811 |
| 2012 | 39.4 | 40,866 |
| 2011 | 39.1 | 40,918 |
| 2010 | 38.5 | 40,958 |
Mercer County, Ohio Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 7.1% |
| 5–17 | 18.3% |
| 18–24 | 8.1% |
| 25–34 | 11.6% |
| 35–54 | 22.6% |
| 55–64 | 13.1% |
| 65+ | 19.2% |
Dependency Ratios for Mercer County, Ohio
- Total Dependency Ratio:
- 80.5
- Youth Dependency:
- 45.9
- Old-Age Dependency:
- 34.6
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Mercer County, Ohio
The median age in Mercer County, Ohio is 39.4 years.
According to latest Census data, the total population of Mercer County, Ohio is 42,484.
In Mercer County, Ohio, seniors (ages 65+) make up 19.2% of the population, while children under 18 represent 18.3%.
Based on historical data since 2010, the population in Mercer County, Ohio has remained stable.