Grant County, South Dakota Zip Codes

Zip Code	City	Population
57252	Milbank	4,669
57216	Big Stone City	1,584
57259	Revillo	605
57266	Summit	571
57264	Stockholm	252
57256	Ortley	223
57265	Strandburg	204
57251	Marvin	191
57269	Twin Brooks	179
57246	Labolt	145

Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.