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Zip Code 57755 — Ludlow, SD

57755 is a ZIP Code associated with Ludlow, SD, located within Harding. The postal region supports an estimated population of 101 residents across Data Pending housing units, with a population density of 0.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (45.837630, -103.357840)

Data MetricLocal Statistic
Postal / Zip Code57755
Primary CityLudlow
State / ProvinceSD
CountyHarding
Total Population101
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density0.2 people/sq mi
TimezoneAmerica/Denver

How 57755 Compares

MetricZIP 57755Harding CountySD State Average
Population101994906,188
Median IncomeData PendingN/AN/A
Population Density0.2 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57650Ralph15.8 mi17N/A
Zip 57720Buffalo23.2 mi518N/A
Zip 57651Reva27.9 mi191N/A
Zip 57640Lodgepole31.9 mi41N/A
Zip 57649Prairie City33.9 mi273N/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 →