The Marble Falls area is an unincorporated community in Newton County and is located in the Harrison Micropolitan Statistical Area between the cities of Harrison and Jasper. The community was once known as Dogpatch because it was the home of the theme park, Dogpatch USA. The community of Marble Falls is a relatively large community with a total area of 38.6 square miles - with 38.4 square miles of land and .2 square miles of water. The total population of the community of Marble Falls is six hundred and eighty-one people and the median age of the residents of the community is roughly thirty-seven years old. There are three hundred and eighty-four family households located within the community of Marble Falls and the average household income for residents of the community is $31,923 per year. The community of Marble Falls offers residents and visitors alike with a charming and comfortable atmosphere to enjoy.