Zip Code 83445 — Saint Anthony, ID
83445 is a ZIP Code associated with Saint Anthony, ID, located within Fremont. 83445 ranks #1 out of 6 ZIP codes in Fremont County by population (and #55 out of 279 in ID). The area supports an estimated population of 7,975 residents across Data Pending housing units, with a population density of 10.2 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (44.070140, -111.730750)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 83445 |
| Primary City | Saint Anthony |
| State / Province | ID |
| County | Fremont |
| Total Population | 7,975 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 10.2 people/sq mi |
| Timezone | America/Boise |
How 83445 Compares
| Metric | ZIP 83445 | Fremont County | ID State Average |
|---|
| Population | 7,975 | 11,766 (Total) | 1,933,906 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 10.2 /sq mi | -- | -- |
| County Pop Rank | #1 of 6 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →