There are 437 General Contractors in Columbia County, Oregon, serving a population of 50,207 people in an area of 658 square miles. There is 1 General Contractor per 114 people, and 1 General Contractor per 1 square miles.
In Oregon, Columbia County is ranked 17th of 36 counties in General Contractors per capita, and 11th of 36 counties in General Contractors per square mile.