There are 1582 Outdoor Activities in Illinois, serving a population of 12,854,526 people in an area of 55,505 square miles. There is 1 Outdoor Activity Venue per 8,125 people, and 1 Outdoor Activity Venue per 35 square miles.
The state of Illinois is ranked 16th in Outdoor Activities per capita, and 11th in Outdoor Activities per square mile.