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Zip Code 57555 — Mission, SD

57555 is a ZIP Code associated with Mission, SD, located within Todd. The postal region supports an estimated population of 3,740 residents across Data Pending housing units, with a population density of 4.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.298280, -100.660100)

Data MetricLocal Statistic
Postal / Zip Code57555
Primary CityMission
State / ProvinceSD
CountyTodd
Total Population3,740
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density4.2 people/sq mi
TimezoneAmerica/Chicago

How 57555 Compares

MetricZIP 57555Todd CountySD State Average
Population3,7408,507906,188
Median IncomeData PendingN/AN/A
Population Density4.2 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57570Rosebud11.3 mi2,071N/A
Zip 57563Okreek13.7 mi195N/A
Zip 57579White River20.1 mi1,277N/A
Zip 57585Wood22.1 mi114N/A
Zip 57566Parmelee22.1 mi1,184N/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 →