Island Park, ID ZIP code
The ZIP code for Island Park, Idaho is 83429. It is in Fremont County.
- Population in these ZIPs
- 628
- Avg. median income
- $78,600population-weighted
- Typical home value
- $597,300population-weighted
- Metro area
- Rexburg, ID
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Island Park, ID ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 83429 | 628 | $78,565 | $597,300 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Island Park
Frequently asked questions
What is the ZIP code for Island Park, ID?
The ZIP code for Island Park, ID is 83429.
What county is Island Park, Idaho in?
Island Park ZIP codes are in Fremont County.