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Zip Code 57446 — Hecla, SD

57446 is a ZIP Code associated with Hecla, SD, located within Brown. The postal region supports an estimated population of 223 residents across Data Pending housing units, with a population density of 0.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (45.866980, -98.154230)

Data MetricLocal Statistic
Postal / Zip Code57446
Primary CityHecla
State / ProvinceSD
CountyBrown
Total Population223
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density0.6 people/sq mi
TimezoneAmerica/Chicago

How 57446 Compares

MetricZIP 57446Brown CountySD State Average
Population22337,902906,188
Median IncomeData PendingN/AN/A
Population Density0.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57449Houghton9.5 mi357N/A
Zip 57432Claremont14.1 mi507N/A
Zip 57421Amherst14.4 mi75N/A
Zip 57433Columbia17.4 mi318N/A
Zip 57441Frederick17.6 mi670N/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 →