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Zip Code 57775 — Quinn, SD

57775 is a ZIP Code associated with Quinn, SD, located within Pennington. The postal region supports an estimated population of 191 residents across Data Pending housing units, with a population density of 0.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (44.083680, -102.006070)

Data MetricLocal Statistic
Postal / Zip Code57775
Primary CityQuinn
State / ProvinceSD
CountyPennington
Total Population191
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density0.3 people/sq mi
TimezoneAmerica/Denver

How 57775 Compares

MetricZIP 57775Pennington CountySD State Average
Population191103,728906,188
Median IncomeData PendingN/AN/A
Population Density0.3 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57790Wall10.1 mi1,147N/A
Zip 57567Philip14.9 mi1,056N/A
Zip 57791Wasta25.3 mi97N/A
Zip 57767Owanka28.3 mi234N/A
Zip 57780Scenic30.9 mi70N/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 →