Miami County, Indiana Age & Gender Distribution (2024)
Population distribution by age and gender for Miami County, Indiana
Miami County, Indiana Age & Gender Statistics (2024)
Total Population
35,712
Median Age
41.5
Male Median
39.8
Female Median
43.7
Miami County, Indiana Population Growth

Miami County, Indiana Demographic Trend
Since 2010, the population of has changed by -4.3%%.
-4.3%% Growth
Miami County, Indiana Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Miami County, Indiana Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 41.5 | 35,712 |
| 2023 | 41.0 | 35,772 |
| 2022 | 41.1 | 35,952 |
| 2021 | 40.5 | 36,100 |
| 2020 | 39.8 | 35,684 |
| 2019 | 40.1 | 35,815 |
| 2018 | 40.0 | 35,901 |
| 2017 | 39.9 | 36,035 |
| 2016 | 39.8 | 36,093 |
| 2015 | 40.1 | 36,211 |
| 2014 | 40.3 | 36,394 |
| 2013 | 40.1 | 36,624 |
| 2012 | 39.9 | 36,850 |
| 2011 | 39.7 | 37,078 |
| 2010 | 39.9 | 37,307 |
Miami County, Indiana Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.0% |
| 5–17 | 15.8% |
| 18–24 | 8.7% |
| 25–34 | 12.9% |
| 35–54 | 26.5% |
| 55–64 | 13.0% |
| 65+ | 18.2% |
Dependency Ratios for Miami County, Indiana
- Total Dependency Ratio:
- 63.9
- Youth Dependency:
- 34.1
- Old-Age Dependency:
- 29.8
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Miami County, Indiana
The median age in Miami County, Indiana is 41.5 years.
According to latest Census data, the total population of Miami County, Indiana is 35,712.
In Miami County, Indiana, seniors (ages 65+) make up 18.2% of the population, while children under 18 represent 15.8%.
Based on historical data since 2010, the population in Miami County, Indiana is aging.