Data as of September 2026. Source: Realtor.com.
The ISLAND PARK, ID real estate market (83429) currently shows 127 active listings, with 14 pending sales. Homes are averaging 113 days on the market before going under contract.
Inventory has increased compared to last year, with 11 more homes available — giving buyers more choice.
Homes are taking longer to sell, averaging 113 days on market compared to 86 days last year.
The median listing price has fallen 8.1% year-over-year, from $869,750 to $799,000.
Population: 643 · Density: 0.5/mi² · Median household income: $88,750
Typical home value: $0 · Homeownership: 100.0%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 83429 | Island Park, ID 83429 | 0.0 mi | 60 | $84,266,580 | $899,000 | $1,404,443 |
| 83420 | Ashton, ID 83420 | 29.6 mi | 16 | $13,570,160 | $524,900 | $848,135 |
| 59720 | Cameron, MT 59720 | 34.3 mi | 8 | $26,783,136 | $1,742,500 | $3,347,892 |
| 83438 | Parker, ID 83438 | 41.2 mi | 1 | $325,000 | $325,000 | $325,000 |
| 83436 | Newdale, ID 83436 | 43.6 mi | 1 | $424,900 | $424,900 | $424,900 |
| 83452 | Tetonia, ID 83452 | 45.7 mi | 20 | $29,249,020 | $1,575,000 | $1,462,451 |
| 83448 | Sugar City, ID 83448 | 46.9 mi | 23 | $10,674,116 | $434,000 | $464,092 |
| 59710 | Alder, MT 59710 | 53.1 mi | 3 | $2,498,001 | $999,000 | $832,667 |
| 59716 | Big Sky, MT 59716 | 55.2 mi | 180 | $952,630,020 | $4,106,000 | $5,292,389 |
| 59730 | Gallatin Gateway, MT 59730 | 57.6 mi | 22 | $97,602,956 | $3,612,500 | $4,436,498 |
| 59729 | Ennis, MT 59729 | 58.7 mi | 32 | $29,696,128 | $742,000 | $928,004 |
| 83434 | Menan, ID 83434 | 59.6 mi | 5 | $3,630,625 | $784,750 | $726,125 |
| 83455 | Victor, ID 83455 | 61.9 mi | 62 | $75,214,060 | $1,067,500 | $1,213,130 |
As of September 2026, there are 127 active listings in ISLAND PARK, ID (zip code 83429), compared to 116 the prior year.
The median listing price in ISLAND PARK, ID 83429 is $799,000 as of September 2026, a 8.1% decrease from $869,750 the prior year.
Homes in ISLAND PARK, ID 83429 spend an average of 113 days on the market before going under contract, compared to 86 days the prior year.
Based on current inventory and days-on-market data as of September 2026, ISLAND PARK, ID 83429 is currently a Buyer's Market. Inventory has increased compared to last year, with 11 more homes available — giving buyers more choice. Homes are taking longer to sell, averaging 113 days on market compared to 86 days last year.
With SELL123.com's maximum 3% commission, sellers in ISLAND PARK, ID 83429 save an estimated $15,980 compared to a typical 5% commission on the median listing price of $799,000. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.