Pennington County, South Dakota Age & Gender Distribution (2024)
Population distribution by age and gender for Pennington County, South Dakota
Pennington County, South Dakota Age & Gender Statistics (2024)
Total Population
113,512
Median Age
40.1
Male Median
39.2
Female Median
41.1
Pennington County, South Dakota Population Growth
Pennington County, South Dakota Demographic Trend
Since 2010, the population of has changed by +15.9%%.
+15.9%% Growth
Pennington County, South Dakota Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Pennington County, South Dakota Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 40.1 | 113,512 |
| 2023 | 39.7 | 112,081 |
| 2022 | 39.6 | 110,386 |
| 2021 | 38.9 | 108,707 |
| 2020 | 38.8 | 112,504 |
| 2019 | 39.0 | 110,685 |
| 2018 | 38.6 | 109,294 |
| 2017 | 37.8 | 108,126 |
| 2016 | 37.5 | 107,298 |
| 2015 | 37.1 | 106,085 |
| 2014 | 37.0 | 104,574 |
| 2013 | 36.8 | 102,752 |
| 2012 | 36.7 | 101,240 |
| 2011 | 36.8 | 99,611 |
| 2010 | 36.7 | 97,922 |
Pennington County, South Dakota Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.0% |
| 5–17 | 16.0% |
| 18–24 | 8.2% |
| 25–34 | 12.8% |
| 35–54 | 22.9% |
| 55–64 | 14.0% |
| 65+ | 20.1% |
Dependency Ratios for Pennington County, South Dakota
- Total Dependency Ratio:
- 72.9
- Youth Dependency:
- 38.0
- Old-Age Dependency:
- 34.8
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Pennington County, South Dakota
The median age in Pennington County, South Dakota is 40.1 years.
According to latest Census data, the total population of Pennington County, South Dakota is 113,512.
In Pennington County, South Dakota, seniors (ages 65+) make up 20.1% of the population, while children under 18 represent 16.0%.
Based on historical data since 2010, the population in Pennington County, South Dakota is aging.