There are 2 Engineers in Johnson County, Illinois, serving a population of 12,899 people in an area of 344 square miles. There is 1 Engineer per 6,449 people, and 1 Engineer per 171 square miles.
In Illinois, Johnson County is ranked 13th of 102 counties in Engineers per capita, and 31st of 102 counties in Engineers per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Johnson County Engineers.
Shawnee Professional Services 101 Oliver Street PO Box 125 Vienna, IL
Shawnee Professional Services 104 South 4th Street Vienna, IL