There are 240 Fast Food Restaurants in Jefferson County, Kentucky, serving a population of 764,378 people in an area of 381 square miles. There is 1 Fast Food Restaurant per 3,184 people, and 1 Fast Food Restaurant per 1 square miles.
In Kentucky, Jefferson County is ranked 74th of 120 counties in Fast Food Restaurants per capita, and 1st of 120 counties in Fast Food Restaurants per square mile.