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Zip Code 57738 — Fairburn, SD

57738 is a ZIP Code associated with Fairburn, SD, located within Custer. The postal region supports an estimated population of 356 residents across Data Pending housing units, with a population density of 0.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.662810, -103.130240)

Data MetricLocal Statistic
Postal / Zip Code57738
Primary CityFairburn
State / ProvinceSD
CountyCuster
Total Population356
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density0.7 people/sq mi
TimezoneAmerica/Denver

How 57738 Compares

MetricZIP 57738Custer CountySD State Average
Population3568,579906,188
Median IncomeData PendingN/AN/A
Population Density0.7 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57744Hermosa9.5 mi2,421N/A
Zip 57722Buffalo Gap16.0 mi177N/A
Zip 57751Keystone20.4 mi893N/A
Zip 57766Oral21.2 mi176N/A
Zip 57773Pringle23.6 mi206N/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 →