There are 14 zip codes in Brown County, South Dakota. The most populated is 57401, located in Aberdeen. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
5740132,217Aberdeen
574451,910Groton
57446628Hecla
57441607Frederick
57479599Warner
57427438Bath
57481375Westport
57433355Columbia
57449333Houghton
57460321Mansfield
57432239Claremont
57474234Stratford
5742648Barnard
5743922Ferney

Zip Codes in Brown County, South Dakota by Population (2024)