Irwin city, Idaho
Official LSAD Designation: Irwin city • Census GEOID: 1640510
• Bonneville County
Irwin city is an incorporated city in Bonneville County, Idaho. According to official records from the Census (2025), Irwin city had an estimated population of 302 residents. Official Census Bureau geographic records classify this community under LSAD designation Irwin city (GEOID 1640510).
Local Government Administration U.S. Census Bureau GMAF
City Of Irwin
Municipal
Official Title:
Mayor
Address:
PO BOX 148, IRWIN ID 83428-0148
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 | 302 | 2025 |
| Median Household Income | $67,500 | 2020-2024 |
| Median Home Value | $433,300 | 2020-2024 |
| Land Area | 2.62 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).