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Zip Code 57438 — Faulkton, SD

57438 is a ZIP Code associated with Faulkton, SD, located within Faulk. 57438 ranks #1 out of 4 ZIP codes in Faulk County by population (and #142 out of 375 in SD). The area supports an estimated population of 973 residents across Data Pending housing units, with a population density of 0.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (45.068990, -99.154620)

Data MetricLocal Statistic
Postal / Zip Code57438
Primary CityFaulkton
State / ProvinceSD
CountyFaulk
Total Population973
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density0.9 people/sq mi
TimezoneAmerica/Chicago

How 57438 Compares

MetricZIP 57438Faulk CountySD State Average
Population9731,711 (Total)906,188 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density0.9 /sq mi----
County Pop Rank#1 of 4----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57435Cresbard13.8 mi300N/A
Zip 57467Orient16.7 mi410N/A
Zip 57473Seneca16.9 mi246N/A
Zip 57466Onaka17.4 mi192N/A
Zip 57470Rockham19.3 mi242N/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 →