Median Age in Brookings County, SD
ACS 2024 5-Year Estimates
28.0 years
Rank #3,198/3,222 · #61 in SD
1th
Brookings 28.0 years
SD 38.0 years -26.3%
US 38.9 years -28.0%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Brookings County's median age of 28.0 years compares to all 3,222 U.S. counties. Values range from 21.4 years to 86.2 years.
Distribution of Median Age Across All Counties
Ranking Context
Counties ranked closest to Brookings County for median age.
Nearby Rankings
Full ranking →| #3,195 | Albany County, WY | 28.6 years |
| #3,196 | Sioux County, ND | 28.2 years |
| #3,197 | Oglala Lakota County, SD | 28.2 years |
| #3,198 | Brookings County, SD | 28.0 years |
| #3,199 | Pulaski County, MO | 27.8 years |
| #3,200 | Onslow County, NC | 27.7 years |
| #3,201 | Payne County, OK | 27.7 years |
About Median Age
Brookings County, South Dakota has a median age of 28.0 years, ranking #3,198 of 3,222 counties nationwide — 28.0% below the national value of 38.9 years. Within South Dakota, it ranks #61 of 66. This places it in the 1th percentile nationally.
The median age of the total population. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.