There are 182 Jails & Prisons in Iowa, serving a population of 3,118,102 people in an area of 55,842 square miles. There is 1 Jail & Prison per 17,132 people, and 1 Jail & Prison per 306 square miles.
The state of Iowa is ranked 11th in Jails & Prisons per capita, and 31st in Jails & Prisons per square mile.