There are 6 zip codes in Gregory County, South Dakota. The most populated is 57533, located in Gregory. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
575331,697Gregory
57523968Burke
57317641Bonesteel
57538258Herrick
57335227Fairfax
5757131Saint Charles

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