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Zip Code 57430 — Britton, SD

57430 is a ZIP Code associated with Britton, SD, located within Marshall. The postal region supports an estimated population of 1,828 residents across Data Pending housing units, with a population density of 2.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (45.822030, -97.722050)

Data MetricLocal Statistic
Postal / Zip Code57430
Primary CityBritton
State / ProvinceSD
CountyMarshall
Total Population1,828
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density2.0 people/sq mi
TimezoneAmerica/Chicago

How 57430 Compares

MetricZIP 57430Marshall CountySD State Average
Population1,8284,261906,188
Median IncomeData PendingN/AN/A
Population Density2.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57421Amherst10.2 mi75N/A
Zip 57247Lake City14.7 mi211N/A
Zip 57454Langford14.8 mi732N/A
Zip 57432Claremont17.4 mi507N/A
Zip 57270Veblen19.0 mi764N/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 →