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Zip Code 57439 — Ferney, SD

57439 is a ZIP Code associated with Ferney, SD, located within Brown. The postal region supports an estimated population of Data Pending residents across Data Pending housing units, with a population density of Data Pending people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (45.334640, -98.100070)

Data MetricLocal Statistic
Postal / Zip Code57439
Primary CityFerney
State / ProvinceSD
CountyBrown
Total PopulationData Pending
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population DensityData Pending people/sq mi
TimezoneAmerica/Chicago

How 57439 Compares

MetricZIP 57439Brown CountySD State Average
PopulationData Pending37,902906,188
Median IncomeData PendingN/AN/A
Population DensityData Pending /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57445Groton8.6 mi2,072N/A
Zip 57474Stratford9.2 mi237N/A
Zip 57422Andover10.6 mi174N/A
Zip 57434Conde11.7 mi506N/A
Zip 57427Bath14.6 mi384N/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 →