Home > SD > Union County > Alcester > Zip 57001

Zip Code 57001 — Alcester, SD

57001 is a ZIP Code associated with Alcester, SD, located within Union. The postal region supports an estimated population of 1,540 residents across Data Pending housing units, with a population density of 6.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.998100, -96.654920)

Data MetricLocal Statistic
Postal / Zip Code57001
Primary CityAlcester
State / ProvinceSD
CountyUnion
Total Population1,540
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density6.0 people/sq mi
TimezoneAmerica/Chicago

How 57001 Compares

MetricZIP 57001Union CountySD State Average
Population1,54014,418906,188
Median IncomeData PendingN/AN/A
Population Density6.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 57004Beresford8.8 mi3,834N/A
Zip 57034Hudson10.4 mi661N/A
Zip 57027Fairview15.4 mi199N/A
Zip 57010Burbank15.5 mi755N/A
Zip 57014Centerville17.0 mi1,667N/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 →