There are 115 Electrical Services in McHenry County, Illinois, serving a population of 308,043 people in an area of 604 square miles. There is 1 Electrical Service per 2,678 people, and 1 Electrical Service per 5 square miles.
In Illinois, McHenry County is ranked 16th of 102 counties in Electrical Services per capita, and 7th of 102 counties in Electrical Services per square mile.