ZIP Code 57312

ZIP code 57312 is classified by USPS as a standard delivery area and covers roughly 271.6 square miles in Alpena, Jerauld County, South Dakota. The area is home to 516 residents, producing a population density of 2 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 57312 against South Dakota and the nation.

On the economic side, the median household income for ZIP 57312 sits at $91,688 (20% above the South Dakota average), while per-capita income is $50,640. The poverty rate stands at 12.1% and the unemployment rate at 0.0%. On housing, the median home value is $137,500 (28% below the state average) with median rent at $925 per month, and 85.8% of occupied units are owner-occupied — a direct signal of whether 57312 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 4.7% of adults hold a bachelor's degree or higher, the median age is 40.3, and the average commute is —. We also surface 2 nearby ZIP codes within roughly 10 miles and 3 additional ZIPs sharing Jerauld County, so you can benchmark 57312 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. Verify with HUD →