Home > SD > Kingsbury County > Oldham > Zip 57051

Zip Code 57051 — Oldham, SD

ZIP Code 57051 is associated with Oldham, SD, in Kingsbury County. The listed population estimate is 163; estimated density is 0.8 people per square mile. Among records with population estimates, it ranks #6 of 7 in Kingsbury County and #322 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (44.217410, -97.350660)

Data MetricLocal Statistic
Postal / Zip Code57051
Primary CityOldham
State / ProvinceSD
CountyKingsbury
Total Population163
Population Density0.8 people/sq mi
TimezoneAmerica/Chicago

How 57051 Compares

MetricZIP 57051Kingsbury County recordsSD records
Population estimate1636,053 (sum)906,188 (sum)
Population Density0.8 /sq mi----
County population rank#6 of 7----
State population rank#322 of 372----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in SD

ZIP CodeCityDistancePopulation estimate
ZIP 57054Ramona8.1 mi703
ZIP 57249Lake Preston10.6 mi1,023
ZIP 57212Arlington15.3 mi1,819
ZIP 57061Sinai15.3 mi215
ZIP 57231De Smet15.8 mi1,724

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 →