ZIP Code 57544

ZIP code 57544 is classified by USPS as a standard delivery area and covers roughly 838.0 square miles in Kennebec, Lyman County, South Dakota. The area is home to 419 residents, producing a population density of 1 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 57544 against South Dakota and the nation.

On the economic side, the median household income for ZIP 57544 sits at $78,750 (3% above the South Dakota average), while per-capita income is $52,531. The poverty rate stands at 4.8% and the unemployment rate at 1.2%. On housing, the median home value is $141,700 (26% below the state average) with median rent at $675 per month, and 79.2% of occupied units are owner-occupied — a direct signal of whether 57544 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 31.0% of adults hold a bachelor's degree or higher, the median age is 40.1, and the average commute is —. Use the benchmarks above to see where 57544 sits relative to South Dakota and the national baseline rather than viewing the numbers in isolation. 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. Verify with HUD →