Day County, South Dakota Age & Gender Distribution (2024)
Population distribution by age and gender for Day County, South Dakota
Day County, South Dakota Age & Gender Statistics (2024)
Total Population
5,437
Median Age
44.8
Male Median
45.5
Female Median
43.8
Day County, South Dakota Population Growth
Day County, South Dakota Demographic Trend
Since 2010, the population of has changed by -4.8%%.
-4.8%% Growth
Day County, South Dakota Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Day County, South Dakota Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 44.8 | 5,437 |
| 2023 | 47.1 | 5,460 |
| 2022 | 47.2 | 5,485 |
| 2021 | 47.3 | 5,487 |
| 2020 | 48.1 | 5,452 |
| 2019 | 47.7 | 5,486 |
| 2018 | 48.0 | 5,506 |
| 2017 | 48.4 | 5,524 |
| 2016 | 48.5 | 5,588 |
| 2015 | 48.0 | 5,618 |
| 2014 | 48.1 | 5,664 |
| 2013 | 47.8 | 5,669 |
| 2012 | 47.7 | 5,673 |
| 2011 | 47.5 | 5,701 |
| 2010 | 47.1 | 5,714 |
Day County, South Dakota Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.1% |
| 5–17 | 17.3% |
| 18–24 | 6.4% |
| 25–34 | 9.6% |
| 35–54 | 20.2% |
| 55–64 | 14.7% |
| 65+ | 26.7% |
Dependency Ratios for Day County, South Dakota
- Total Dependency Ratio:
- 96.2
- Youth Dependency:
- 43.9
- Old-Age Dependency:
- 52.3
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Day County, South Dakota
The median age in Day County, South Dakota is 44.8 years.
According to latest Census data, the total population of Day County, South Dakota is 5,437.
In Day County, South Dakota, seniors (ages 65+) make up 26.7% of the population, while children under 18 represent 17.3%.
Based on historical data since 2010, the population in Day County, South Dakota is becoming younger.