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Zip Code 57441 — Frederick, SD

57441 is a ZIP Code associated with Frederick, SD, located within Brown. The postal region supports an estimated population of 670 residents across Data Pending housing units, with a population density of 1.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (45.822750, -98.514740)

Data MetricLocal Statistic
Postal / Zip Code57441
Primary CityFrederick
State / ProvinceSD
CountyBrown
Total Population670
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1.0 people/sq mi
TimezoneAmerica/Chicago

How 57441 Compares

MetricZIP 57441Brown CountySD State Average
Population67037,902906,188
Median IncomeData PendingN/AN/A
Population Density1.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57426Barnard6.2 mi42N/A
Zip 57481Westport13.9 mi271N/A
Zip 57433Columbia15.5 mi318N/A
Zip 57449Houghton17.5 mi357N/A
Zip 57446Hecla17.6 mi223N/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 →