Median Age in Brown County, SD

ACS 2024 5-Year Estimates

37.8 years Rank #2,624/3,222 · #47 in SD
19th
Brown 37.8 years
SD 38.0 years -0.5%
US 38.9 years -2.8%

Median Age Trend

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Percentile Rank Over Time

Year-over-Year Age Change

National Distribution

How Brown County's median age of 37.8 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 Brown County for median age.

Nearby Rankings

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#2,621 Woodward County, OK 37.8 years
#2,622 Polk County, OR 37.8 years
#2,623 Spartanburg County, SC 37.8 years
#2,624 Brown County, SD 37.8 years
#2,625 Angelina County, TX 37.8 years
#2,626 Matagorda County, TX 37.8 years
#2,627 Dale County, AL 37.7 years

About Median Age

Brown County, South Dakota has a median age of 37.8 years, ranking #2,624 of 3,222 counties nationwide — 2.8% below the national value of 38.9 years. Within South Dakota, it ranks #47 of 66. This places it in the 19th 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.