ZIP Code 57571

ZIP code 57571 is classified by USPS as a standard delivery area and covers roughly 1.0 square miles in Saint Charles, Gregory County, South Dakota. The area is home to 14 residents, producing a population density of 14 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 57571 against South Dakota and the nation.

On the economic side, the median household income for ZIP 57571 sits at —, while per-capita income is $17,418. The poverty rate stands at 13.6% and the unemployment rate at 11.1%. On housing, the median home value is — with median rent at — per month, and 91.7% of occupied units are owner-occupied — a direct signal of whether 57571 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 15.4% of adults hold a bachelor's degree or higher, the median age is 56.5, and the average commute is —. We also surface 2 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Gregory County, so you can benchmark 57571 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.