ZIP Code 82190 — Mammoth CDP, WY Demographics & Data

ZIP code 82190 covers Mammoth, WY in Park County with a population of about 739.

At a glance, the area shows median age of 44.3 versus a U.S. median of about 38.9.

It sits in telephone area code 307; U.S. House district WY-00; the BILLINGS media market.

Median household income in ZIP 82190 is about $61,750 — about 18% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 23.8%; unemployment rate near 0.0%; 46.5% of adults with a bachelor’s degree or higher (about 12.8 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Food services, Arts and entertainment, and Retail trade; about 11.6% of workers reporting work-from-home (about 3.6 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing tenure and rents show owner-occupancy near 0.0% (about 65.4 points below the national owner-occupancy rate (65.4%)).

FEMA’s National Risk Index rates natural-hazard risk for Mammoth CDP, WY as Relatively Low (composite score 57.7), which is near the middle of the national distribution. The strongest component scores on US5 are wildfire (82.7) and flood (60.8). 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 Mammoth CDP, WY show little to no average snow and around 25.6 inches of annual precipitation.

IRS migration statistics show a net inflow of about 50 for ZIP 82190 (Mammoth CDP, WY) 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.