There are 562 Dentists in Johnson County, Iowa, serving a population of 144,425 people in an area of 614 square miles. There is 1 Dentist per 256 people, and 1 Dentist per 1 square miles.
In Iowa, Johnson County is ranked 2nd of 99 counties in Dentists per capita, and 2nd of 99 counties in Dentists per square mile.