Home > SD > Corson County > Trail City > Zip 57657

Zip Code 57657 — Trail City, SD

57657 is a ZIP Code associated with Trail City, SD, located within Corson. The postal region supports an estimated population of 247 residents across Data Pending housing units, with a population density of 0.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (45.515990, -100.777600)

Data MetricLocal Statistic
Postal / Zip Code57657
Primary CityTrail City
State / ProvinceSD
CountyCorson
Total Population247
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density0.5 people/sq mi
TimezoneAmerica/Denver

How 57657 Compares

MetricZIP 57657Corson CountySD State Average
Population2474,221906,188
Median IncomeData PendingN/AN/A
Population Density0.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57639Little Eagle11.3 mi290N/A
Zip 57630Glencross11.9 mi11N/A
Zip 57658Wakpala14.4 mi319N/A
Zip 57601Mobridge16.5 mi3,422N/A
Zip 57656Timber Lake17.2 mi1,000N/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 →