There are 152 Sightseeing Tours in Illinois, serving a population of 12,854,526 people in an area of 55,505 square miles. There is 1 Sightseeing Tour per 84,569 people, and 1 Sightseeing Tour per 365 square miles.
The state of Illinois is ranked 33rd in Sightseeing Tours per capita, and 18th in Sightseeing Tours per square mile.