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Zip Code 57745 — Hill City, SD

57745 is a ZIP Code associated with Hill City, SD, located within Pennington. The postal region supports an estimated population of 1,894 residents across Data Pending housing units, with a population density of 1.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (44.013040, -103.786160)

Data MetricLocal Statistic
Postal / Zip Code57745
Primary CityHill City
State / ProvinceSD
CountyPennington
Total Population1,894
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1.9 people/sq mi
TimezoneAmerica/Denver

How 57745 Compares

MetricZIP 57745Pennington CountySD State Average
Population1,894103,728906,188
Median IncomeData PendingN/AN/A
Population Density1.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57732Deadwood17.1 mi1,714N/A
Zip 57754Lead17.7 mi3,749N/A
Zip 57759Nemo18.4 mi398N/A
Zip 57702Rapid City20.0 mi35,595N/A
Zip 57751Keystone20.7 mi893N/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 →