ZIP Code 59731

ZIP code 59731 is classified by USPS as a standard delivery area and covers roughly 348.3 square miles in Garrison, Powell County, Montana. The area is home to 209 residents, producing a population density of 1 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 59731 against Montana and the nation.

On the economic side, the median household income for ZIP 59731 sits at $90,000 (29% above the Montana average), while per-capita income is $33,578. The poverty rate stands at 4.0% and the unemployment rate at 0.0%. On housing, the median home value is $566,200 (73% above the state average) with median rent at — per month, and 96.3% of occupied units are owner-occupied, a direct signal of whether 59731 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 22.4% of adults hold a bachelor's degree or higher, the median age is 36.8, and the average commute is —. We also surface 1 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Powell County, so you can benchmark 59731 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 →