Mellette County, South Dakota Age & Gender Distribution (2024)
Population distribution by age and gender for Mellette County, South Dakota
Mellette County, South Dakota Age & Gender Statistics (2024)
Total Population
1,943
Median Age
37.5
Male Median
36.4
Female Median
38.0
Mellette County, South Dakota Population Growth
Mellette County, South Dakota Demographic Trend
Since 2010, the population of has changed by -4.4%%.
-4.4%% Growth
Mellette County, South Dakota Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Mellette County, South Dakota Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 37.5 | 1,943 |
| 2023 | 31.0 | 2,043 |
| 2022 | 36.3 | 1,989 |
| 2021 | 35.1 | 1,916 |
| 2020 | 34.4 | 2,065 |
| 2019 | 32.9 | 2,052 |
| 2018 | 33.0 | 2,055 |
| 2017 | 32.8 | 2,062 |
| 2016 | 33.0 | 2,083 |
| 2015 | 32.0 | 2,086 |
| 2014 | 32.3 | 2,084 |
| 2013 | 34.7 | 2,072 |
| 2012 | 31.5 | 2,057 |
| 2011 | 30.8 | 2,039 |
| 2010 | 31.8 | 2,032 |
Mellette County, South Dakota Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 8.3% |
| 5–17 | 20.4% |
| 18–24 | 6.3% |
| 25–34 | 11.0% |
| 35–54 | 26.3% |
| 55–64 | 11.4% |
| 65+ | 16.4% |
Dependency Ratios for Mellette County, South Dakota
- Total Dependency Ratio:
- 82.1
- Youth Dependency:
- 52.2
- Old-Age Dependency:
- 29.9
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Mellette County, South Dakota
The median age in Mellette County, South Dakota is 37.5 years.
According to latest Census data, the total population of Mellette County, South Dakota is 1,943.
In Mellette County, South Dakota, seniors (ages 65+) make up 16.4% of the population, while children under 18 represent 20.4%.
Based on historical data since 2010, the population in Mellette County, South Dakota is aging.