Idaho Falls city, Idaho
Official LSAD Designation: Idaho Falls city • Census GEOID: 1639700
• Bonneville County
Idaho Falls city is an incorporated city in Bonneville County, Idaho. According to official records from the Census (2025), Idaho Falls city had an estimated population of 71,785 residents. Official Census Bureau geographic records classify this community under LSAD designation Idaho Falls city (GEOID 1639700).
Local Government Administration U.S. Census Bureau GMAF
City Of Idaho Falls
Municipal
Official Title:
City Clerk
Address:
PO BOX 50220, IDAHO FALLS ID 83405-0220
County Of Bonneville
County
Official Title:
County Clerk
Address:
605 N CAPITAL AVE, IDAHO FALLS ID 83402-3582
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 71,785 | 2025 |
| Median Household Income | $73,110 | 2020-2024 |
| Median Home Value | $335,500 | 2020-2024 |
| Land Area | 27.55 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).