There are 145 Plumbing Services in Johnson County, Indiana, serving a population of 149,359 people in an area of 321 square miles. There is 1 Plumbing Service per 1,030 people, and 1 Plumbing Service per 2 square miles.
In Indiana, Johnson County is ranked 1st of 92 counties in Plumbing Services per capita, and 3rd of 92 counties in Plumbing Services per square mile.