# Cities in South Dakota by median age, 2024

All 14 values come from U.S. Census Bureau for 2024, so the places are comparable.

- Indicator id: `median_age`
- Unit: years
- Definition: Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span. Canada: on 1 July, Statistics Canada population estimates.
- Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more) (https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b01002.dat)
- Publisher page: https://invokely.ai/en/publishers/us-census-bureau
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b01002.dat. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/median-age/south-dakota-cities

| Rank | Place | years |
|---:|---|---:|
| 1 | Yankton, SD | 41.4 |
| 2 | Spearfish, SD | 40 |
| 3 | Mitchell, SD | 39.6 |
| 4 | Watertown, SD | 39.5 |
| 5 | Pierre, SD | 39.4 |
| 6 | Rapid City, SD | 39.1 |
| 7 | Brandon, SD | 36.7 |
| 8 | Aberdeen, SD | 36.4 |
| 9 | Huron, SD | 36.1 |
| 10 | Sioux Falls, SD | 35.5 |
| 11 | Harrisburg, SD | 31.1 |
| 12 | Box Elder, SD | 28.8 |
| 13 | Brookings, SD | 24.7 |
| 14 | Vermillion, SD | 23.1 |