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Zip Code 57001 — Alcester, SD

ZIP Code 57001 is associated with Alcester, SD, in Union County. The listed population estimate is 1,540; estimated density is 6.0 people per square mile. Among records with population estimates, it ranks #4 of 4 in Union County and #94 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.998100, -96.654920)

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

How 57001 Compares

MetricZIP 57001Union County recordsSD records
Population estimate1,54014,418 (sum)906,188 (sum)
Population Density6.0 /sq mi----
County population rank#4 of 4----
State population rank#94 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 57004Beresford8.8 mi3,834
ZIP 57034Hudson10.4 mi661
ZIP 57027Fairview15.4 mi199
ZIP 57010Burbank15.5 mi755
ZIP 57014Centerville17.0 mi1,667

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 →