Johnson County, Missouri Age & Gender Distribution (2024)
Population distribution by age and gender for Johnson County, Missouri
Johnson County, Missouri Age & Gender Statistics (2024)
Total Population
54,732
Median Age
31.5
Male Median
30.7
Female Median
32.7
Johnson County, Missouri Population Growth
Johnson County, Missouri Demographic Trend
Since 2010, the population of has changed by +5.2%%.
+5.2%% Growth
Johnson County, Missouri Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Johnson County, Missouri Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 31.5 | 54,732 |
| 2023 | 31.3 | 54,331 |
| 2022 | 31.0 | 54,025 |
| 2021 | 30.7 | 53,889 |
| 2020 | 30.3 | 53,948 |
| 2019 | 30.5 | 53,682 |
| 2018 | 30.1 | 53,689 |
| 2017 | 29.9 | 53,941 |
| 2016 | 29.8 | 54,229 |
| 2015 | 29.7 | 54,155 |
| 2014 | 29.6 | 53,879 |
| 2013 | 29.4 | 53,517 |
| 2012 | 29.7 | 52,964 |
| 2011 | 29.8 | 52,428 |
| 2010 | 29.6 | 52,041 |
Johnson County, Missouri Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.2% |
| 5–17 | 15.9% |
| 18–24 | 18.7% |
| 25–34 | 14.0% |
| 35–54 | 21.3% |
| 55–64 | 10.7% |
| 65+ | 13.1% |
Dependency Ratios for Johnson County, Missouri
- Total Dependency Ratio:
- 54.5
- Youth Dependency:
- 34.2
- Old-Age Dependency:
- 20.3
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Johnson County, Missouri
The median age in Johnson County, Missouri is 31.5 years.
According to latest Census data, the total population of Johnson County, Missouri is 54,732.
In Johnson County, Missouri, seniors (ages 65+) make up 13.1% of the population, while children under 18 represent 15.9%.
Based on historical data since 2010, the population in Johnson County, Missouri is aging.