ZIP Code 83421 — undefined, ID Demographics & Data

ZIP code 83421 covers ID in Fremont County with a population of about 346.

At a glance, the area shows median age of 44.0 versus a U.S. median of about 38.9.

It sits in telephone area codes 208, 986; U.S. House district ID-2; the IDAHO FALLS - POCATELLO media market.

Median household income in ZIP 83421 is about $80,438 — about 7% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 0.0%; unemployment rate near 0.0%; 5.9% of adults with a bachelor’s degree or higher (about 27.8 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Retail trade, Administrative support, and Agriculture; a mean commute of about 139.0 minutes (U.S. average near 26.8).

Median home value is about $264,200 — about 24% below the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 100.0% (about 34.6 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 83421 in ID, a household would need roughly $73,000 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 $1,697. That is roughly in line with the local median household income ($80,438). 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 ID as Very Low (composite score 38.3), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (87.1) and flood (41.4). 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 ID show little to no average snow and around 19.7 inches of annual precipitation.

IRS migration statistics show a net inflow of about 23 for ZIP 83421 (ID) 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.