There are 72 Probation Departments in Arkansas, serving a population of 2,977,944 people in an area of 52,021 square miles. There is 1 Probation Department per 41,360 people, and 1 Probation Department per 722 square miles.
The state of Arkansas is ranked 5th in Probation Departments per capita, and 15th in Probation Departments per square mile.