There are 225 General Contractors in Columbia County, Pennsylvania, serving a population of 66,615 people in an area of 483 square miles. There is 1 General Contractor per 296 people, and 1 General Contractor per 2 square miles.
In Pennsylvania, Columbia County is ranked 56th of 67 counties in General Contractors per capita, and 41st of 67 counties in General Contractors per square mile.