Saint Anthony, ID ZIP code
The ZIP code for Saint Anthony (also written St. Anthony), Idaho is 83445. It is in Fremont County.
- Population in these ZIPs
- 7,975
- Avg. median income
- $68,000population-weighted
- Typical home value
- $354,200population-weighted
- Metro area
- Rexburg, ID
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Saint Anthony, ID ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 83445 | 7,975 | $68,012 | $354,200 |
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
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Frequently asked questions
What is the ZIP code for Saint Anthony, ID?
The ZIP code for Saint Anthony, ID is 83445.
What county is Saint Anthony, Idaho in?
Saint Anthony ZIP codes are in Fremont County.