There are 166 Jails & Prisons in Washington, serving a population of 7,169,967 people in an area of 66,439 square miles. There is 1 Jail & Prison per 43,192 people, and 1 Jail & Prison per 400 square miles.
The state of Washington is ranked 39th in Jails & Prisons per capita, and 38th in Jails & Prisons per square mile.