St. Anthony city, Idaho
Official LSAD Designation: St. Anthony city • Census GEOID: 1671020
• Fremont County
St. Anthony city is an incorporated city in Fremont County, Idaho. According to official records from the Census (2025), St. Anthony city had an estimated population of 3,990 residents. Official Census Bureau geographic records classify this community under LSAD designation St. Anthony city (GEOID 1671020).
Local Government Administration U.S. Census Bureau GMAF
City Of St Anthony
Municipal
Official Title:
City Clerk/treasurer
Address:
420 N BRIDGE ST, STE A, SAINT ANTHONY ID 83445-1433
County Of Fremont
County
Official Title:
County Clerk
Address:
151 W 1ST N ST, STE 12, SAINT ANTHONY ID 83445-1409
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 3,990 | 2025 |
| Median Household Income | $53,152 | 2020-2024 |
| Median Home Value | $231,900 | 2020-2024 |
| Land Area | 1.93 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).