There are 580 Jails & Prisons in California, serving a population of 38,982,847 people in an area of 155,747 square miles. There is 1 Jail & Prison per 67,211 people, and 1 Jail & Prison per 268 square miles.
The state of California is ranked 47th in Jails & Prisons per capita, and 27th in Jails & Prisons per square mile.