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Zip Code 57630 — Glencross, SD

57630 is a ZIP Code associated with Glencross, SD, located within Dewey. The postal region supports an estimated population of 11 residents across Data Pending housing units, with a population density of Data Pending people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (45.363580, -100.891920)

Data MetricLocal Statistic
Postal / Zip Code57630
Primary CityGlencross
State / ProvinceSD
CountyDewey
Total Population11
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population DensityData Pending people/sq mi
TimezoneAmerica/Denver

How 57630 Compares

MetricZIP 57630Dewey CountySD State Average
Population118,754906,188
Median IncomeData PendingN/AN/A
Population DensityData Pending /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57661Whitehorse7.4 mi177N/A
Zip 57656Timber Lake11.2 mi1,000N/A
Zip 57657Trail City11.9 mi247N/A
Zip 57652Ridgeview18.5 mi265N/A
Zip 57601Mobridge18.5 mi3,422N/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 →