Fort Hall is a census-designated place (CDP) located in northern Bannock County, and southern Bingham County, in southeastern Idaho. It is located on the Fort Hall Indian Reservation along the Snake River north of Pocatello, near the site of the original Fort Hall in the Oregon Country. The population was 3,193 at the 2000 census.
Tbe Bannock County portion of Fort Hall is part of the 'Pocatello, Idaho Metropolitan Statistical Area', while the Bingham County portion is part of the 'Blackfoot, Idaho Micropolitan Statistical Area'.
There were 969 households out of which 42.2% had children under the age of 18 living with them, 49.6% were married couples living together, 22.5% had a female householder with no husband present, and 19.3% were non-families. 16.3% of all households were made up of individuals and 4.4% had someone living alone who was 65 years of age or older. The average household size was 3.26 and the average family size was 3.63.
In the CDP the population was spread out with 34.7% under the age of 18, 11.3% from 18 to 24, 28.2% from 25 to 44, 18.5% from 45 to 64, and 7.3% who were 65 years of age or older. The median age was 28 years. For every 100 females there were 94.7 males. For every 100 females age 18 and over, there were 92.3 males.
The median income for a household in the CDP was $30,313, and the median income for a family was $32,256. Males had a median income of $27,310 versus $21,544 for females. The per capita income for the CDP was $10,563. About 22.6% of families and 27.2% of the population were below the poverty line, including 32.5% of those under age 18 and 26.9% of those age 65 or over.