Marion County, Ohio Age & Gender Distribution (2024)
Population distribution by age and gender for Marion County, Ohio
Marion County, Ohio Age & Gender Statistics (2024)
Total Population
65,020
Median Age
40.1
Male Median
39.6
Female Median
41.0
Marion County, Ohio Population Growth
Marion County, Ohio Demographic Trend
Since 2010, the population of has changed by -2.3%%.
-2.3%% Growth
Marion County, Ohio Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Marion County, Ohio Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 40.1 | 65,020 |
| 2023 | 40.5 | 65,145 |
| 2022 | 40.7 | 65,366 |
| 2021 | 41.2 | 65,515 |
| 2020 | 41.6 | 65,179 |
| 2019 | 41.3 | 65,299 |
| 2018 | 41.3 | 65,344 |
| 2017 | 40.8 | 65,483 |
| 2016 | 40.5 | 65,620 |
| 2015 | 40.4 | 65,943 |
| 2014 | 40.4 | 66,171 |
| 2013 | 40.2 | 66,323 |
| 2012 | 40.0 | 66,514 |
| 2011 | 39.4 | 66,503 |
| 2010 | 39.3 | 66,530 |
Marion County, Ohio Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.4% |
| 5–17 | 15.9% |
| 18–24 | 8.2% |
| 25–34 | 13.4% |
| 35–54 | 25.3% |
| 55–64 | 13.1% |
| 65+ | 18.7% |
Dependency Ratios for Marion County, Ohio
- Total Dependency Ratio:
- 66.6
- Youth Dependency:
- 35.5
- Old-Age Dependency:
- 31.1
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Marion County, Ohio
The median age in Marion County, Ohio is 40.1 years.
According to latest Census data, the total population of Marion County, Ohio is 65,020.
In Marion County, Ohio, seniors (ages 65+) make up 18.7% of the population, while children under 18 represent 15.9%.
Based on historical data since 2010, the population in Marion County, Ohio has remained stable.