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Zip Code 57779 — Saint Onge, SD

57779 is a ZIP Code associated with Saint Onge, SD, located within Lawrence. The postal region supports an estimated population of 347 residents across Data Pending housing units, with a population density of 3.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (44.564490, -103.759690)

Data MetricLocal Statistic
Postal / Zip Code57779
Primary CitySaint Onge
State / ProvinceSD
CountyLawrence
Total Population347
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density3.3 people/sq mi
TimezoneAmerica/Denver

How 57779 Compares

MetricZIP 57779Lawrence CountySD State Average
Population34726,197906,188
Median IncomeData PendingN/AN/A
Population Density3.3 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57799Spearfish7.2 mi568N/A
Zip 57793Whitewood9.4 mi2,173N/A
Zip 57783Spearfish10.3 mi17,248N/A
Zip 57762Nisland15.0 mi512N/A
Zip 57741Fort Meade17.7 mi141N/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 →