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Zip Code 57533 — Gregory, SD

57533 is a ZIP Code associated with Gregory, SD, located within Gregory. 57533 ranks #1 out of 6 ZIP codes in Gregory County by population (and #85 out of 375 in SD). The area supports an estimated population of 1,674 residents across Data Pending housing units, with a population density of 1.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.346300, -99.416920)

Data MetricLocal Statistic
Postal / Zip Code57533
Primary CityGregory
State / ProvinceSD
CountyGregory
Total Population1,674
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1.7 people/sq mi
TimezoneAmerica/Chicago

How 57533 Compares

MetricZIP 57533Gregory CountySD State Average
Population1,6743,849 (Total)906,188 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density1.7 /sq mi----
County Pop Rank#1 of 6----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57529Dallas11.2 mi245N/A
Zip 57523Burke11.4 mi1,041N/A
Zip 57534Hamill19.7 mi130N/A
Zip 57538Herrick20.3 mi236N/A
Zip 57528Colome20.8 mi833N/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 →