Jackson County, Missouri Age & Gender Distribution (2024)
Population distribution by age and gender for Jackson County, Missouri
Jackson County, Missouri Age & Gender Statistics (2024)
Total Population
719,976
Median Age
37.0
Male Median
36.1
Female Median
38.0
Jackson County, Missouri Population Growth

Jackson County, Missouri Demographic Trend
Since 2010, the population of has changed by +7.9%%.
+7.9%% Growth
Jackson County, Missouri Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Jackson County, Missouri Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 37.0 | 719,976 |
| 2023 | 36.9 | 717,021 |
| 2022 | 37.0 | 715,526 |
| 2021 | 36.9 | 713,229 |
| 2020 | 36.8 | 700,733 |
| 2019 | 36.8 | 696,216 |
| 2018 | 36.7 | 692,003 |
| 2017 | 36.6 | 688,554 |
| 2016 | 36.5 | 683,643 |
| 2015 | 36.5 | 680,905 |
| 2014 | 36.4 | 678,167 |
| 2013 | 36.3 | 675,641 |
| 2012 | 36.2 | 672,784 |
| 2011 | 36.2 | 670,100 |
| 2010 | 36.1 | 666,997 |
Jackson County, Missouri Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.2% |
| 5–17 | 17.1% |
| 18–24 | 8.4% |
| 25–34 | 15.3% |
| 35–54 | 24.8% |
| 55–64 | 12.3% |
| 65+ | 15.9% |
Dependency Ratios for Jackson County, Missouri
- Total Dependency Ratio:
- 64.4
- Youth Dependency:
- 38.3
- Old-Age Dependency:
- 26.1
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Jackson County, Missouri
The median age in Jackson County, Missouri is 37.0 years.
According to latest Census data, the total population of Jackson County, Missouri is 719,976.
In Jackson County, Missouri, seniors (ages 65+) make up 15.9% of the population, while children under 18 represent 17.1%.
Based on historical data since 2010, the population in Jackson County, Missouri has remained stable.