Lyman County, South Dakota Age & Gender Distribution (2024)
Population distribution by age and gender for Lyman County, South Dakota
Lyman County, South Dakota Age & Gender Statistics (2024)
Total Population
3,724
Median Age
36.1
Male Median
36.1
Female Median
36.2
Lyman County, South Dakota Population Growth
Lyman County, South Dakota Demographic Trend
Since 2010, the population of has changed by -0.3%%.
-0.3%% Growth
Lyman County, South Dakota Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Lyman County, South Dakota Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 36.1 | 3,724 |
| 2023 | 36.0 | 3,717 |
| 2022 | 36.0 | 3,719 |
| 2021 | 35.0 | 3,746 |
| 2020 | 36.1 | 3,831 |
| 2019 | 35.5 | 3,848 |
| 2018 | 36.0 | 3,869 |
| 2017 | 36.0 | 3,882 |
| 2016 | 35.4 | 3,855 |
| 2015 | 35.5 | 3,837 |
| 2014 | 35.9 | 3,831 |
| 2013 | 36.3 | 3,804 |
| 2012 | 36.8 | 3,752 |
| 2011 | 36.4 | 3,745 |
| 2010 | 34.9 | 3,736 |
Lyman County, South Dakota Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 8.2% |
| 5–17 | 19.8% |
| 18–24 | 8.4% |
| 25–34 | 10.8% |
| 35–54 | 21.3% |
| 55–64 | 13.1% |
| 65+ | 18.3% |
Dependency Ratios for Lyman County, South Dakota
- Total Dependency Ratio:
- 86.3
- Youth Dependency:
- 52.2
- Old-Age Dependency:
- 34.1
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Lyman County, South Dakota
The median age in Lyman County, South Dakota is 36.1 years.
According to latest Census data, the total population of Lyman County, South Dakota is 3,724.
In Lyman County, South Dakota, seniors (ages 65+) make up 18.3% of the population, while children under 18 represent 19.8%.
Based on historical data since 2010, the population in Lyman County, South Dakota has remained stable.