There are 5019 Fast Food Restaurants in Los Angeles County, California, serving a population of 10,105,722 people in an area of 4,058 square miles. There is 1 Fast Food Restaurant per 2,013 people, and 1 Fast Food Restaurant per square mile.
In California, Los Angeles County is ranked 11th of 58 counties in Fast Food Restaurants per capita, and 3rd of 58 counties in Fast Food Restaurants per square mile.