There are 462 Fast Food Restaurants in Salt Lake County, Utah, serving a population of 1,106,700 people in an area of 742 square miles. There is 1 Fast Food Restaurant per 2,395 people, and 1 Fast Food Restaurant per 1 square miles.
In Utah, Salt Lake County is ranked 22nd of 29 counties in Fast Food Restaurants per capita, and 1st of 29 counties in Fast Food Restaurants per square mile.