The story of this market
The typical home in ZIP 83428 sells for about $610,000, or $311 per square foot.
Prices are up +2.4% from a year ago, so sellers still have some momentum. Homes take about 45 days to sell. HUD's fair market rent for a two-bedroom is $1,850 a month.
ZIP 83428 — Irwin
The housing market in 83428 remains stable with low inventory and steady demand for high-end recreational properties. Prices have seen modest year-over-year growth, driven by the area's appeal to lifestyle buyers and remote workers. Limited supply continues to support current price levels despite broader economic headwinds.
This ZIP is ideal for outdoor enthusiasts, remote workers seeking mountain solitude, and retirees who prioritize access to world-class fishing and wilderness over proximity to urban amenities.
Median prices moved up 2.4% year over year.
Homes spend a median of 45 days on market with 6.2 months of supply — a balanced-paced market.
15% of listings have cut prices · homes sell at 97.5% of asking — demand is running ahead of supply.
no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 19.6% · poverty 5.7% — a mixed stability profile.
Researched annual trajectory for this ZIP, from published historical series
Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 8.8%/yr trend — a deterministic estimate, not a published forecast or guarantee.
Median annual property tax paid on this ZIP's residential parcels
Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 7.3%/yr trend — a deterministic estimate, not a published forecast or guarantee.
versus the prior ACS vintage
net influx — more people moved in than out
ZCTA 83428, Bonneville County ID
Crime rates in the Irwin area are consistently low, reflecting the rural character of Bonneville County and the surrounding mountain communities.
Students in this area are primarily served by the Swan Valley Elementary School and Ririe School District, which maintain small class sizes and a focus on community-integrated education.
The area faces moderate wildfire risk due to its forested surroundings and proximity to the Caribou-Targhee National Forest, requiring residents to maintain defensible space.
Economic momentum is driven by seasonal tourism, outdoor recreation, and agricultural operations, with limited large-scale commercial development planned for this rural corridor.
Property taxes are assessed by Bonneville County based on market value, with rates influenced by local school district levies and rural fire protection district assessments.
Commuting to the regional employment core in Idaho Falls typically requires a 45-60 minute drive via Highway 26, which serves as the primary transit corridor.
The area is a premier destination for fly fishing on the South Fork of the Snake River, hiking in the nearby national forests, and winter snowmobiling.
The rental market is characterized by low inventory and high demand for seasonal housing, with many properties utilized as short-term vacation rentals for river and mountain tourists.
The local economy is anchored by outdoor recreation, tourism, and agriculture, with significant reliance on the seasonal influx of visitors to the Snake River corridor.
Transportation is heavily reliant on private vehicles, with Highway 26 serving as the sole major artery connecting the area to Idaho Falls.
Development is strictly regulated by county zoning to preserve the rural and agricultural character of the valley.
The Bonneville County Assessor conducts annual market value assessments based on comparable sales data within the rural district.
Parcels are subject to levies from the Ririe School District and local rural fire protection districts.
Property insurance premiums are influenced by the area's classification as a high-risk zone for wildfire and the distance to emergency services.
Idaho continues to experience net positive domestic migration, with rural areas like Bonneville County attracting remote workers and lifestyle buyers.
Idaho is a non-judicial foreclosure state, allowing for a streamlined process through a trustee's sale following a notice of default.
Sellers are required to provide a property condition disclosure form detailing known material defects at the time of listing.
Data retrieved from census.gov ZCTA-level profiles for 83428.
Public schools whose reported address is in this area (NCES). Not attendance boundaries — schools that serve residents may sit outside it. Check the district's address locator for assignment.
World-renowned fly fishing destination and recreational waterway.
Extensive trail systems for hiking, hunting, and winter sports.
Key-figure check: no independent anchor retained yet — first-researched cycles establish the anchor baseline this pass.