There are 320 Orthodontists in Iowa, serving a population of 3,118,102 people in an area of 55,842 square miles. There is 1 Orthodontist per 9,744 people, and 1 Orthodontist per 174 square miles.
The state of Iowa is ranked 40th in Orthodontists per capita, and 39th in Orthodontists per square mile.