Kingwood is a 14,000 acre (57 km²) master-planned community located in northeast Houston, Texas, United States. The majority of the community is located in Harris County with a small portion in Montgomery County. Known as the "Livable Forest," it is the largest master-planned community in Harris County and second-largest within the 10-county Houston-The Woodlands-Sugar Land metropolitan area. It was classified as a "census-designated place" during the 1990 census, when the population recorded was 37,397. It is on the east fork of the San Jacinto River.