There are 565 Fast Food Restaurants in Nassau County, New York, serving a population of 1,363,069 people in an area of 285 square miles. There is 1 Fast Food Restaurant per 2,412 people, and 1 Fast Food Restaurant per square mile.
In New York, Nassau County is ranked 20th of 62 counties in Fast Food Restaurants per capita, and 6th of 62 counties in Fast Food Restaurants per square mile.