There are 24 Probation Departments in Wisconsin, serving a population of 5,763,217 people in an area of 54,145 square miles. There is 1 Probation Department per 240,134 people, and 1 Probation Department per 2,256 square miles.
The state of Wisconsin is ranked 31st in Probation Departments per capita, and 34th in Probation Departments per square mile.