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Zip Code 57451 — Ipswich, SD

57451 is a ZIP Code associated with Ipswich, SD, located within Edmunds. The postal region supports an estimated population of 2,485 residents across Data Pending housing units, with a population density of 2.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (45.434880, -98.934730)

Data MetricLocal Statistic
Postal / Zip Code57451
Primary CityIpswich
State / ProvinceSD
CountyEdmunds
Total Population2,485
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density2.2 people/sq mi
TimezoneAmerica/Chicago

How 57451 Compares

MetricZIP 57451Edmunds CountySD State Average
Population2,4853,598906,188
Median IncomeData PendingN/AN/A
Population Density2.2 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57460Mansfield17.2 mi257N/A
Zip 57435Cresbard18.4 mi300N/A
Zip 57471Roscoe18.5 mi546N/A
Zip 57401Aberdeen19.8 mi31,939N/A
Zip 57481Westport19.8 mi271N/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 →