There are about 310,000 public campsites in the USA according to the 1995 edition of Encarta, not counting backcountry campsites. Public campsites tend to become full during the summer holiday period. Private Campsites Private campsites are those set up as commercial ventures. Some private campsites are located near towns, while many are out in the country, sometimes near National Parks and other similar scenic areas. There are about 800,000 private campsites in the USA according to the 1995 edition of Encarta.
Private campsites tend to offer far more facilities than public campsites.
Some private campsites also offer camping cabins . This comes with a very informative guide to KOA, camping in general and RV rental in the USA for UK customers.