ZIP Code 83645 — Midvale city, ID Demographics & Data

ZIP code 83645 covers Midvale, ID in Washington County with a population of about 887.

At a glance, the area shows median age of 48.4 versus a U.S. median of about 38.9.

It sits in telephone area codes 208, 986; U.S. House district ID-1; the BOISE media market.

Median household income in ZIP 83645 is about $73,333 — about even with the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 18.2%; unemployment rate near 1.1%; 19.8% of adults with a bachelor’s degree or higher (about 13.9 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Education, Public administration, and Agriculture; about 11.9% of workers reporting work-from-home (about 3.3 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 $296,500 — about 15% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $688 (about 41% below the U.S. median rent ($1,163)), and owner-occupancy near 88.2% (about 22.8 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 83645 in Midvale, ID, a household would need roughly $82,000 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 $1,905. That is roughly in line with the local median household income ($73,333). 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 Midvale city, ID as Very Low (composite score 30.3), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (95.6) and flood (38.2). 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 Midvale city, ID show little to no average snow and around 21.4 inches of annual precipitation.

IRS migration statistics show a net inflow of about 58 for ZIP 83645 (Midvale city, 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.