There are 163 Fast Food Restaurants in Knox County, Tennessee, serving a population of 452,286 people in an area of 509 square miles. There is 1 Fast Food Restaurant per 2,774 people, and 1 Fast Food Restaurant per 3 square miles.
In Tennessee, Knox County is ranked 52nd of 95 counties in Fast Food Restaurants per capita, and 3rd of 95 counties in Fast Food Restaurants per square mile.