There are 1684 Orthodontists in Illinois, serving a population of 12,854,526 people in an area of 55,505 square miles. There is 1 Orthodontist per 7,633 people, and 1 Orthodontist per 32 square miles.
The state of Illinois is ranked 27th in Orthodontists per capita, and 15th in Orthodontists per square mile.