ZIP Code 57770

ZIP code 57770 is classified by USPS as a standard delivery area and covers roughly 516.8 square miles in Pine Ridge, Oglala Lakota County, South Dakota. The area is home to 5,271 residents, producing a population density of 10 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 57770 against South Dakota and the nation.

On the economic side, the median household income for ZIP 57770 sits at $52,250 (32% below the South Dakota average), while per-capita income is $14,905. The poverty rate stands at 27.0% and the unemployment rate at 12.3%. On housing, the median home value is $57,600 (70% below the state average) with median rent at $746 per month, and 64.6% of occupied units are owner-occupied — a direct signal of whether 57770 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 13.2% of adults hold a bachelor's degree or higher, the median age is 29.2, and the average commute is —. We also surface 1 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Oglala Lakota County, so you can benchmark 57770 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.