ZIP Code
ZIP Code 57730
Custer, Custer County, South Dakota SD
Population
5,596
Density
4.2/sq mi
Timezone
America/Denver
Safety Score
50
50
Average
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Overview
ZIP code 57730 is located in Custer, Custer County, South Dakota. The area has a population of approximately 5,596 residents with a population density of 4.2 per square mile. It is in the America/Denver timezone.