ZIP Code 57764

ZIP code 57764 is classified by USPS as a standard delivery area and covers roughly 915.7 square miles in Oglala, Oglala Lakota County, South Dakota. The area is home to 1,923 residents, producing a population density of 2 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 57764 against South Dakota and the nation.

On the economic side, the median household income for ZIP 57764 sits at $21,545 (72% below the South Dakota average), while per-capita income is $18,177. The poverty rate stands at 57.4% and the unemployment rate at 21.9%. On housing, the median home value is — with median rent at $605 per month, and 56.4% of occupied units are owner-occupied — a direct signal of whether 57764 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 18.3% of adults hold a bachelor's degree or higher, the median age is 31.2, and the average commute is —. Use the benchmarks above to see where 57764 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 →