Unshakable ZIP Data 83429 | Island Park, ID Housing Market
Island Park · Fremont County · Rexburg, ID metro · Idaho · Data updated June 19, 2026
The median sale price in ZIP 83429, Island Park, Idaho is $894,734 at $384 per square foot. 22 single-family homes sold in the latest period, up 13.8 percent from a year earlier. Homes sit a median of 178 days on market with 15.6 months of supply. 0.0 percent of homes sold above asking.
Buyer leverage market. Negotiate hard.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $600,421 | |
| Average price per sq ft | $258 | |
| Median sale price | $894,734 | |
| Median sale price per sq ft | $384 | |
| Median home size | 2,329 sq ft | |
| Median new listing price | $822,955 | +13.7% |
| National size rank | 24,123 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 22 | +13.8% |
| Median days on market | 178 days | |
| Months of supply | 15.6 months | |
| New listings | 88 | +38.0% |
| Active listings | 130 | +37.9% |
| Pending sales | 22 | +11.5% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Share sold above list | 0.0% | 0.0 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
1-bedroom
$373,298
2-bedroom
$456,661
3-bedroom
$607,167
4-bedroom
$801,691
5-bedroom
$1,188,676
These figures describe the single-family market for Island Park, Idaho ZIP 83429. They are market context, not a substitute for sold comps or a formal appraisal.