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57078
Yankton, South Dakota
Yankton · 🇺🇸 United States
ZIP Code
Population
20,383
Density/mi²
70
Complete ZIP Code Details
ZIP Code57078
CityYankton
StateSouth Dakota (SD)
CountyYankton
TimezoneAmerica/Chicago
Coordinates42.9178200, -97.4470200
Population20,383
ZIP TypeSTANDARD
CountryUnited States