Sully County, South Dakota Age & Gender Distribution (2024)
Population distribution by age and gender for Sully County, South Dakota
Sully County, South Dakota Age & Gender Statistics (2024)
Total Population
1,526
Median Age
46.9
Male Median
46.4
Female Median
47.5
Sully County, South Dakota Population Growth
Sully County, South Dakota Demographic Trend
Since 2010, the population of has changed by +14.9%%.
+14.9%% Growth
Sully County, South Dakota Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Sully County, South Dakota Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 46.9 | 1,526 |
| 2023 | 51.4 | 1,481 |
| 2022 | 52.7 | 1,318 |
| 2021 | 51.6 | 1,279 |
| 2020 | 48.6 | 1,278 |
| 2019 | 46.8 | 1,305 |
| 2018 | 45.5 | 1,331 |
| 2017 | 44.9 | 1,390 |
| 2016 | 42.8 | 1,456 |
| 2015 | 44.6 | 1,469 |
| 2014 | 45.9 | 1,461 |
| 2013 | 46.9 | 1,420 |
| 2012 | 47.2 | 1,382 |
| 2011 | 47.1 | 1,389 |
| 2010 | 46.8 | 1,328 |
Sully County, South Dakota Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 3.7% |
| 5–17 | 18.3% |
| 18–24 | 6.6% |
| 25–34 | 10.2% |
| 35–54 | 21.6% |
| 55–64 | 16.4% |
| 65+ | 23.1% |
Dependency Ratios for Sully County, South Dakota
- Total Dependency Ratio:
- 82.3
- Youth Dependency:
- 40.1
- Old-Age Dependency:
- 42.2
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Sully County, South Dakota
The median age in Sully County, South Dakota is 46.9 years.
According to latest Census data, the total population of Sully County, South Dakota is 1,526.
In Sully County, South Dakota, seniors (ages 65+) make up 23.1% of the population, while children under 18 represent 18.3%.
Based on historical data since 2010, the population in Sully County, South Dakota has remained stable.