ZIP Code 83429 — Island Park city, ID Demographics & Data

ZIP code 83429 covers Island Park, ID in Fremont County with a population of about 742.

At a glance, the area shows median age of 66.9 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.

Island Park, ID fits a retirement-oriented profile (high share of residents 65+ (52.8%)). Residents and relocators commonly research healthcare access, everyday amenities (dining, personal services), and housing costs rather than tech or campus life.

Median household income in ZIP 83429 is about $79,750 — about 6% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 6.6%; unemployment rate near 2.1%; 35.3% of adults with a bachelor’s degree or higher (about 1.6 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Retail trade, Administrative support, and Agriculture; about 25.3% of workers reporting work-from-home (about 10.1 points above 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 $473,300 — about 36% above the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 98.4% (about 33.0 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 83429 in Island Park, ID, a household would need roughly $130,000 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 $3,040. That is about 63% above the local median household income ($79,750), 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 Island Park city, 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 Island Park city, ID show little to no average snow and around 28.8 inches of annual precipitation.

IRS migration statistics show a net inflow of about 49 for ZIP 83429 (Island Park 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.