ZIP Code 57642

ZIP code 57642 is classified by USPS as a standard delivery area and covers roughly 1474.6 square miles in Mc Laughlin, Corson County, South Dakota. The area is home to 1,917 residents, producing a population density of 1 people per square mile, and falls within the Denver time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 57642 against South Dakota and the nation.

On the economic side, the median household income for ZIP 57642 sits at $58,750 (23% below the South Dakota average), while per-capita income is $24,031. The poverty rate stands at 43.5% and the unemployment rate at 23.9%. On housing, the median home value is $70,000 (64% below the state average) with median rent at $586 per month, and 53.3% of occupied units are owner-occupied — a direct signal of whether 57642 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 19.5% of adults hold a bachelor's degree or higher, the median age is 28.1, and the average commute is —. We also surface 1 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Corson County, so you can benchmark 57642 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data — no estimates, no proprietary scoring.