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Zip Code 57366 — Parkston, SD

ZIP Code 57366 is associated with Parkston, SD, in Hutchinson County. The listed population estimate is 2,598; estimated density is 4.6 people per square mile. Among records with population estimates, it ranks #1 of 7 in Hutchinson County and #55 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.385500, -97.943060)

Data MetricLocal Statistic
Postal / Zip Code57366
Primary CityParkston
State / ProvinceSD
CountyHutchinson
Total Population2,598
Population Density4.6 people/sq mi
TimezoneAmerica/Chicago

How 57366 Compares

MetricZIP 57366Hutchinson County recordsSD records
Population estimate2,5987,643 (sum)906,188 (sum)
Population Density4.6 /sq mi----
County population rank#1 of 7----
State population rank#55 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 57331Dimock8.0 mi231
ZIP 57334Ethan11.1 mi1,081
ZIP 57376Tripp11.5 mi944
ZIP 57052Olivet13.5 mi478
ZIP 57330Delmont13.9 mi594

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 →