Miami County, Kansas Age & Gender Distribution (2024)
Population distribution by age and gender for Miami County, Kansas
Miami County, Kansas Age & Gender Statistics (2024)
Total Population
34,938
Median Age
41.7
Male Median
41.8
Female Median
41.7
Miami County, Kansas Population Growth

Miami County, Kansas Demographic Trend
Since 2010, the population of has changed by +8.8%%.
+8.8%% Growth
Miami County, Kansas Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Miami County, Kansas Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 41.7 | 34,938 |
| 2023 | 41.8 | 34,625 |
| 2022 | 42.5 | 34,312 |
| 2021 | 42.5 | 33,968 |
| 2020 | 42.9 | 33,740 |
| 2019 | 42.1 | 33,417 |
| 2018 | 41.9 | 33,127 |
| 2017 | 41.7 | 32,976 |
| 2016 | 40.8 | 32,787 |
| 2015 | 40.4 | 32,688 |
| 2014 | 40.3 | 32,765 |
| 2013 | 40.2 | 32,682 |
| 2012 | 40.1 | 32,546 |
| 2011 | 39.8 | 32,419 |
| 2010 | 39.7 | 32,116 |
Miami County, Kansas Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.2% |
| 5–17 | 18.4% |
| 18–24 | 8.4% |
| 25–34 | 10.2% |
| 35–54 | 25.1% |
| 55–64 | 14.7% |
| 65+ | 18.1% |
Dependency Ratios for Miami County, Kansas
- Total Dependency Ratio:
- 71.4
- Youth Dependency:
- 40.4
- Old-Age Dependency:
- 31.0
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Miami County, Kansas
The median age in Miami County, Kansas is 41.7 years.
According to latest Census data, the total population of Miami County, Kansas is 34,938.
In Miami County, Kansas, seniors (ages 65+) make up 18.1% of the population, while children under 18 represent 18.4%.
Based on historical data since 2010, the population in Miami County, Kansas is aging.