Yankton County, South Dakota Age & Gender Distribution (2024)
Population distribution by age and gender for Yankton County, South Dakota
Yankton County, South Dakota Age & Gender Statistics (2024)
Total Population
23,414
Median Age
42.5
Male Median
41.2
Female Median
44.9
Yankton County, South Dakota Population Growth
Yankton County, South Dakota Demographic Trend
Since 2010, the population of has changed by +5.4%%.
+5.4%% Growth
Yankton County, South Dakota Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Yankton County, South Dakota Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 42.5 | 23,414 |
| 2023 | 42.2 | 23,379 |
| 2022 | 41.7 | 23,311 |
| 2021 | 41.6 | 23,213 |
| 2020 | 42.0 | 22,746 |
| 2019 | 41.8 | 22,717 |
| 2018 | 41.8 | 22,717 |
| 2017 | 42.1 | 22,660 |
| 2016 | 41.3 | 22,649 |
| 2015 | 40.8 | 22,636 |
| 2014 | 40.9 | 22,580 |
| 2013 | 41.1 | 22,518 |
| 2012 | 41.1 | 22,434 |
| 2011 | 41.0 | 22,350 |
| 2010 | 41.0 | 22,216 |
Yankton County, South Dakota Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.4% |
| 5–17 | 15.9% |
| 18–24 | 8.9% |
| 25–34 | 10.7% |
| 35–54 | 24.0% |
| 55–64 | 13.8% |
| 65+ | 21.4% |
Dependency Ratios for Yankton County, South Dakota
- Total Dependency Ratio:
- 74.3
- Youth Dependency:
- 37.0
- Old-Age Dependency:
- 37.3
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Yankton County, South Dakota
The median age in Yankton County, South Dakota is 42.5 years.
According to latest Census data, the total population of Yankton County, South Dakota is 23,414.
In Yankton County, South Dakota, seniors (ages 65+) make up 21.4% of the population, while children under 18 represent 15.9%.
Based on historical data since 2010, the population in Yankton County, South Dakota has remained stable.