Fort Hall Reservation and Off-Reservation Trust Land
Fort Hall Reservation and Off-Reservation Trust Land is a federal reservation with off-reservation trust land in Bingham County, Power County, Bannock County, and Caribou County, Idaho, as the Census Bureau maps it. About 5,010 people live there (2020–2024 estimate). It covers 814 sq mi (2,109 km²) of land.
- Population, 2020–2024 estimate
- 5,010 ± 417
- What it is
- Federal reservation · Off-reservation trust land
- Counties
- Bingham County41% of its landPower County30% of its landBannock County21% of its landCaribou County7% of its land
- Land area
- 814 sq mi (2,109 km²)
- Median household income
- $50,489 ± $9,388
- Median home value
- $212,900 ± $15,104
- Water area
- 41.5 sq mi (107 km²)
- State
- Idaho
- Census code
- 1185
- Coordinates (central point)
- 42.968171, -112.364866
These coordinates mark a central point for the area, not an address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.
Communities in this area, largest first
- Fort Hall (CDP)2,654 people
- Arbon Valley (CDP)562 people
These places’ central points lie inside the area. People counts are American Community Survey 2020–2024 5-year estimates.
Before using this answer
These Census boundaries don’t decide tribal membership, jurisdiction or land status, and they aren’t a land acknowledgment. For services, enrollment or jurisdiction, ask the tribal government.