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Zip Code 57703 — Rapid City, SD

57703 is a ZIP Code associated with Rapid City, SD, located within Pennington. The postal region supports an estimated population of 18,013 residents across Data Pending housing units, with a population density of 53.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (44.003310, -103.045280)

Data MetricLocal Statistic
Postal / Zip Code57703
Primary CityRapid City
State / ProvinceSD
CountyPennington
Total Population18,013
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density53.6 people/sq mi
TimezoneAmerica/Denver

How 57703 Compares

MetricZIP 57703Pennington CountySD State Average
Population18,013103,728906,188
Median IncomeData PendingN/AN/A
Population Density53.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57706Ellsworth Afb10.9 mi2,787N/A
Zip 57701Rapid City11.4 mi45,795N/A
Zip 57725Caputa12.9 mi130N/A
Zip 57744Hermosa15.7 mi2,421N/A
Zip 57719Box Elder16.0 mi12,221N/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 →