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Zip Code 57750 — Interior, SD

57750 is a ZIP Code associated with Interior, SD, located within Jackson. The postal region supports an estimated population of 365 residents across Data Pending housing units, with a population density of 0.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.601090, -101.948580)

Data MetricLocal Statistic
Postal / Zip Code57750
Primary CityInterior
State / ProvinceSD
CountyJackson
Total Population365
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density0.4 people/sq mi
TimezoneAmerica/Denver

How 57750 Compares

MetricZIP 57750Jackson CountySD State Average
Population3652,409906,188
Median IncomeData PendingN/AN/A
Population Density0.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57577Wanblee15.4 mi940N/A
Zip 57752Kyle17.3 mi1,553N/A
Zip 57714Allen19.0 mi1,144N/A
Zip 57543Kadoka23.6 mi721N/A
Zip 57547Long Valley26.7 mi383N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →