There are 119 Fast Food Restaurants in Prince William County, Virginia, serving a population of 450,763 people in an area of 337 square miles. There is 1 Fast Food Restaurant per 3,787 people, and 1 Fast Food Restaurant per 2 square miles.
In Virginia, Prince William County is ranked 71st of 133 counties in Fast Food Restaurants per capita, and 13th of 133 counties in Fast Food Restaurants per square mile.