Lake County, South Dakota Age & Gender Distribution (2024)
Population distribution by age and gender for Lake County, South Dakota
Lake County, South Dakota Age & Gender Statistics (2024)
Total Population
10,972
Median Age
43.8
Male Median
42.7
Female Median
45.0
Lake County, South Dakota Population Growth
Lake County, South Dakota Demographic Trend
Since 2010, the population of has changed by -0.3%%.
-0.3%% Growth
Lake County, South Dakota Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Lake County, South Dakota Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 43.8 | 10,972 |
| 2023 | 43.7 | 11,052 |
| 2022 | 44.3 | 11,207 |
| 2021 | 44.1 | 11,358 |
| 2020 | 43.8 | 12,747 |
| 2019 | 43.2 | 12,717 |
| 2018 | 43.2 | 12,574 |
| 2017 | 42.0 | 12,350 |
| 2016 | 42.2 | 12,331 |
| 2015 | 41.9 | 12,086 |
| 2014 | 41.9 | 11,831 |
| 2013 | 41.6 | 11,564 |
| 2012 | 41.2 | 11,364 |
| 2011 | 39.6 | 11,193 |
| 2010 | 38.1 | 11,008 |
Lake County, South Dakota Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.7% |
| 5–17 | 14.8% |
| 18–24 | 10.4% |
| 25–34 | 11.4% |
| 35–54 | 19.6% |
| 55–64 | 14.8% |
| 65+ | 24.3% |
Dependency Ratios for Lake County, South Dakota
- Total Dependency Ratio:
- 78.1
- Youth Dependency:
- 34.8
- Old-Age Dependency:
- 43.3
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Lake County, South Dakota
The median age in Lake County, South Dakota is 43.8 years.
According to latest Census data, the total population of Lake County, South Dakota is 10,972.
In Lake County, South Dakota, seniors (ages 65+) make up 24.3% of the population, while children under 18 represent 14.8%.
Based on historical data since 2010, the population in Lake County, South Dakota is aging.