There are 96 Jails & Prisons in Idaho, serving a population of 1,657,375 people in an area of 82,621 square miles. There is 1 Jail & Prison per 17,264 people, and 1 Jail & Prison per 860 square miles.
The state of Idaho is ranked 12th in Jails & Prisons per capita, and 45th in Jails & Prisons per square mile.