There are 1401 General Contractors in District of Columbia , District of Columbia, serving a population of 672,391 people in an area of 62 square miles. There is 1 General Contractor per 479 people, and 1 General Contractor per square mile.
In District of Columbia, District of Columbia is ranked 1st of 1 counties in General Contractors per capita, and 1st of 1 counties in General Contractors per square mile.