ZIP Code 59631 — Basin CDP, MT Demographics & Data

ZIP code 59631 covers Basin, MT in Jefferson County with a population of about 367.

At a glance, the area shows median age of 54.1 versus a U.S. median of about 38.9.

It sits in telephone area code 406; U.S. House district MT-2; the BUTTE - BOZEMAN media market.

Median household income in ZIP 59631 is about $49,375 — about 34% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 4.4%; unemployment rate near 0.0%; 28.9% of adults with a bachelor’s degree or higher (about 4.8 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Construction, Administrative support, and Food services; about 4.6% of workers reporting work-from-home (about 10.6 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Median home value is about $229,300 — about 34% below the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 83.2% (about 17.8 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 59631 in Basin, MT, a household would need roughly $63,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $1,473. That is about 28% above the local median household income ($49,375), so the median earner would likely stretch or need a larger down payment. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

FEMA’s National Risk Index rates natural-hazard risk for Basin CDP, MT as Very Low (composite score 21.6), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (89.1) and flood (29.4). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Basin CDP, MT show little to no average snow and around 19.1 inches of annual precipitation.

IRS migration statistics show a net inflow of about 19 for ZIP 59631 (Basin CDP, MT) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.