Brookings County, South Dakota Age & Gender Distribution (2024)
Population distribution by age and gender for Brookings County, South Dakota
Brookings County, South Dakota Age & Gender Statistics (2024)
Total Population
35,353
Median Age
28.0
Male Median
28.0
Female Median
28.0
Brookings County, South Dakota Population Growth
Brookings County, South Dakota Demographic Trend
Since 2010, the population of has changed by +13.1%%.
+13.1%% Growth
Brookings County, South Dakota Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Brookings County, South Dakota Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 28.0 | 35,353 |
| 2023 | 28.0 | 34,968 |
| 2022 | 27.7 | 34,631 |
| 2021 | 27.4 | 34,315 |
| 2020 | 27.3 | 35,115 |
| 2019 | 27.0 | 34,601 |
| 2018 | 26.7 | 34,239 |
| 2017 | 26.7 | 33,697 |
| 2016 | 26.3 | 33,435 |
| 2015 | 26.4 | 33,046 |
| 2014 | 26.2 | 32,647 |
| 2013 | 26.0 | 32,295 |
| 2012 | 26.1 | 31,973 |
| 2011 | 26.0 | 31,639 |
| 2010 | 26.0 | 31,250 |
Brookings County, South Dakota Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.3% |
| 5–17 | 15.8% |
| 18–24 | 24.6% |
| 25–34 | 12.8% |
| 35–54 | 19.3% |
| 55–64 | 8.8% |
| 65+ | 13.4% |
Dependency Ratios for Brookings County, South Dakota
- Total Dependency Ratio:
- 52.6
- Youth Dependency:
- 32.2
- Old-Age Dependency:
- 20.4
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Brookings County, South Dakota
The median age in Brookings County, South Dakota is 28.0 years.
According to latest Census data, the total population of Brookings County, South Dakota is 35,353.
In Brookings County, South Dakota, seniors (ages 65+) make up 13.4% of the population, while children under 18 represent 15.8%.
Based on historical data since 2010, the population in Brookings County, South Dakota is aging.