There are 852 General Contractors in Rockingham County, New Hampshire, serving a population of 302,479 people in an area of 695 square miles. There is 1 General Contractor per 355 people, and 1 General Contractor per square mile.
In New Hampshire, Rockingham County is ranked 2nd of 10 counties in General Contractors per capita, and 1st of 10 counties in General Contractors per square mile.