Clay County, South Dakota Age & Gender Distribution (2024)
Population distribution by age and gender for Clay County, South Dakota
Clay County, South Dakota Age & Gender Statistics (2024)
Total Population
15,219
Median Age
24.9
Male Median
26.5
Female Median
24.1
Clay County, South Dakota Population Growth
Clay County, South Dakota Demographic Trend
Since 2010, the population of has changed by +10.2%%.
+10.2%% Growth
Clay County, South Dakota Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Clay County, South Dakota Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 24.9 | 15,219 |
| 2023 | 24.5 | 15,133 |
| 2022 | 24.6 | 14,953 |
| 2021 | 24.7 | 14,816 |
| 2020 | 25.2 | 14,076 |
| 2019 | 24.9 | 13,957 |
| 2018 | 25.0 | 13,925 |
| 2017 | 25.0 | 13,907 |
| 2016 | 24.9 | 14,029 |
| 2015 | 25.2 | 14,011 |
| 2014 | 25.2 | 13,968 |
| 2013 | 25.3 | 13,953 |
| 2012 | 25.5 | 13,966 |
| 2011 | 24.7 | 13,902 |
| 2010 | 25.0 | 13,816 |
Clay County, South Dakota Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.7% |
| 5–17 | 12.7% |
| 18–24 | 32.7% |
| 25–34 | 13.0% |
| 35–54 | 16.5% |
| 55–64 | 8.2% |
| 65+ | 12.2% |
Dependency Ratios for Clay County, South Dakota
- Total Dependency Ratio:
- 42.0
- Youth Dependency:
- 24.7
- Old-Age Dependency:
- 17.3
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Clay County, South Dakota
The median age in Clay County, South Dakota is 24.9 years.
According to latest Census data, the total population of Clay County, South Dakota is 15,219.
In Clay County, South Dakota, seniors (ages 65+) make up 12.2% of the population, while children under 18 represent 12.7%.
Based on historical data since 2010, the population in Clay County, South Dakota has remained stable.