There are 320 Fast Food Restaurants in Jefferson County, Alabama, serving a population of 659,460 people in an area of 1,111 square miles. There is 1 Fast Food Restaurant per 2,060 people, and 1 Fast Food Restaurant per 3 square miles.
In Alabama, Jefferson County is ranked 28th of 67 counties in Fast Food Restaurants per capita, and 1st of 67 counties in Fast Food Restaurants per square mile.