Home > SD > Lyman County > Lower Brule > Zip 57548

Zip Code 57548 — Lower Brule, SD

57548 is a ZIP Code associated with Lower Brule, SD, located within Lyman. The postal region supports an estimated population of 1,442 residents across Data Pending housing units, with a population density of 5.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (44.084290, -99.623730)

Data MetricLocal Statistic
Postal / Zip Code57548
Primary CityLower Brule
State / ProvinceSD
CountyLyman
Total Population1,442
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density5.8 people/sq mi
TimezoneAmerica/Chicago

How 57548 Compares

MetricZIP 57548Lyman CountySD State Average
Population1,4423,704906,188
Median IncomeData PendingN/AN/A
Population Density5.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57339Fort Thompson7.5 mi1,390N/A
Zip 57346Stephan14.0 mi13N/A
Zip 57569Reliance15.6 mi497N/A
Zip 57544Kennebec17.4 mi421N/A
Zip 57365Oacoma21.5 mi599N/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 →