ZIP Code 83440 — Rexburg city, ID Demographics & Data

ZIP code 83440 covers Rexburg, ID in Madison County with a population of about 50,669.

At a glance, the area shows median age of 21.3 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.

Rexburg, ID sits in a university / college context (near evans hairstyling college-rexburg (0.8 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.

Median household income in ZIP 83440 is about $57,701 — about 23% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 27.8%; unemployment rate near 8.4%; 39.7% of adults with a bachelor’s degree or higher (about 6.0 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Education, Food services, and Retail trade; about 11.4% of workers reporting work-from-home (about 3.8 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 $372,800 — about 7% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $889 (about 24% below the U.S. median rent ($1,163)), and owner-occupancy near 38.0% (about 27.4 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 83440 in Rexburg, ID, a household would need roughly $103,000 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 $2,395. That is about 79% above the local median household income ($57,701), 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 Rexburg city, ID as Relatively Low (composite score 58.6), which is near the middle of the national distribution. The strongest component scores on US5 are wildfire (70.3) and flood (57.8). 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 Rexburg city, ID show little to no average snow and around 12.0 inches of annual precipitation.

IRS migration statistics show a net inflow of about 3,334 for ZIP 83440 (Rexburg 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.