Clay County, Missouri Age & Gender Distribution (2024)
Population distribution by age and gender for Clay County, Missouri
Clay County, Missouri Age & Gender Statistics (2024)
Total Population
258,122
Median Age
37.9
Male Median
37.0
Female Median
38.8
Clay County, Missouri Population Growth

Clay County, Missouri Demographic Trend
Since 2010, the population of has changed by +20.0%%.
+20.0%% Growth
Clay County, Missouri Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Clay County, Missouri Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 37.9 | 258,122 |
| 2023 | 37.6 | 255,566 |
| 2022 | 37.5 | 253,085 |
| 2021 | 37.4 | 250,134 |
| 2020 | 37.2 | 246,480 |
| 2019 | 37.1 | 242,516 |
| 2018 | 37.1 | 239,164 |
| 2017 | 36.8 | 236,068 |
| 2016 | 36.8 | 233,135 |
| 2015 | 36.6 | 230,361 |
| 2014 | 36.5 | 227,984 |
| 2013 | 36.3 | 225,116 |
| 2012 | 36.4 | 222,048 |
| 2011 | 36.1 | 218,767 |
| 2010 | 36.0 | 215,015 |
Clay County, Missouri Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.9% |
| 5–17 | 17.6% |
| 18–24 | 7.8% |
| 25–34 | 14.2% |
| 35–54 | 27.1% |
| 55–64 | 12.0% |
| 65+ | 15.3% |
Dependency Ratios for Clay County, Missouri
- Total Dependency Ratio:
- 63.4
- Youth Dependency:
- 38.5
- Old-Age Dependency:
- 25.0
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Clay County, Missouri
The median age in Clay County, Missouri is 37.9 years.
According to latest Census data, the total population of Clay County, Missouri is 258,122.
In Clay County, Missouri, seniors (ages 65+) make up 15.3% of the population, while children under 18 represent 17.6%.
Based on historical data since 2010, the population in Clay County, Missouri is aging.