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Zip Code 57642 — McLaughlin, SD

ZIP Code 57642 is associated with McLaughlin, SD, in Corson County. The listed population estimate is 1,969; estimated density is 1.1 people per square mile. Among records with population estimates, it ranks #1 of 11 in Corson County and #69 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (45.786090, -100.724580)

Data MetricLocal Statistic
Postal / Zip Code57642
Primary CityMcLaughlin
State / ProvinceSD
CountyCorson
Total Population1,969
Population Density1.1 people/sq mi
TimezoneAmerica/Denver

How 57642 Compares

MetricZIP 57642Corson County recordsSD records
Population estimate1,9694,221 (sum)906,188 (sum)
Population Density1.1 /sq mi----
County population rank#1 of 11----
State population rank#69 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 57639Little Eagle8.3 mi290
ZIP 57658Wakpala12.0 mi319
ZIP 57621Bullhead17.2 mi294
ZIP 57657Trail City18.8 mi247
ZIP 57659Walker19.5 mi16

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 →