ZIP Code 83670

ZIP code 83670 is classified by USPS as a standard delivery area and covers roughly 190.7 square miles in Sweet, Gem County, Idaho. The area is home to 553 residents, producing a population density of 3 people per square mile, and falls within the Boise time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 83670 against Idaho and the nation.

On the economic side, the median household income for ZIP 83670 sits at $91,685 (25% above the Idaho average), while per-capita income is $37,435. The poverty rate stands at 3.6% and the unemployment rate at 7.8%. On housing, the median home value is $506,300 (34% above the state average) with median rent at — per month, and 86.1% of occupied units are owner-occupied, a direct signal of whether 83670 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 20.1% of adults hold a bachelor's degree or higher, the median age is 56.5, and the average commute is —. We also surface 1 nearby ZIP codes within roughly 10 miles and 3 additional ZIPs sharing Gem County, so you can benchmark 83670 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 →