Firth city, Idaho
Official LSAD Designation: Firth city • Census GEOID: 1627910
• Bingham County
Firth city is an incorporated city in Bingham County, Idaho. According to official records from the Census (2025), Firth city had an estimated population of 545 residents. Official Census Bureau geographic records classify this community under LSAD designation Firth city (GEOID 1627910).
Local Government Administration U.S. Census Bureau GMAF
City Of Firth
Municipal
Official Title:
Clerk
Address:
PO BOX 37, FIRTH ID 83236-0037
County Of Bingham
County
Official Title:
County Clerk
Address:
501 N MAPLE ST, BLACKFOOT ID 83221-1776
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 545 | 2025 |
| Median Household Income | $56,250 | 2020-2024 |
| Median Home Value | $235,400 | 2020-2024 |
| Land Area | 0.58 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).