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Harding County, South Dakota Zip Codes
Zip Code
City
Population
57720
Buffalo
695
57724
Camp Crook
238
57755
Ludlow
130
57651
Reva
73
57650
Ralph
13
57776
Redig
0
Population is the most recent figure from the U.S. Census Bureau's 2022
American Community Survey (ACS) 5-Year Estimates
.