Fort Hall is a census-designated place (CDP) in the southeastern part of the U.S. state of Idaho which is split between Bannock County in the south and Bingham County in the north. It is located on the Fort Hall Indian Reservation along the Snake River north of Pocatello and near the site of the original Fort Hall in the Oregon Country. The population was 3,201 at the 2010 census. The 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'.