Home > SD > Lyman County > Reliance > Zip 57569

Zip Code 57569 — Reliance, SD

57569 is a ZIP Code associated with Reliance, SD, located within Lyman. The postal region supports an estimated population of 497 residents across Data Pending housing units, with a population density of 0.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.860500, -99.575820)

Data MetricLocal Statistic
Postal / Zip Code57569
Primary CityReliance
State / ProvinceSD
CountyLyman
Total Population497
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density0.5 people/sq mi
TimezoneAmerica/Chicago

How 57569 Compares

MetricZIP 57569Lyman CountySD State Average
Population4973,704906,188
Median IncomeData PendingN/AN/A
Population Density0.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57365Oacoma8.6 mi599N/A
Zip 57544Kennebec13.1 mi421N/A
Zip 57325Chamberlain13.3 mi3,335N/A
Zip 57548Lower Brule15.6 mi1,442N/A
Zip 57339Fort Thompson18.1 mi1,390N/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 →