There are 108 Orthodontists in Johnson County, Kansas, serving a population of 578,797 people in an area of 474 square miles. There is 1 Orthodontist per 5,359 people, and 1 Orthodontist per 4 square miles.
In Kansas, Johnson County is ranked 9th of 105 counties in Orthodontists per capita, and 1st of 105 counties in Orthodontists per square mile.