Longwood is a city in Seminole County, Florida, USA. The population was 13,745 at the 2000 census. In 2006, the population was estimated by the U.S. Census Bureau to be 13,491. It is part of the OrlandoKissimmeeSanford, Florida Metropolitan Statistical Area. According to the United States Census Bureau, the city has a total area of 5.6 square miles (15km2). 5.3 square miles (14km2) of it is land and 0.3 square miles (0.78km2) of it (5.17%) is water. As of the census of 2000, there were 13,745 people, 5,025 households, and 3,678 families residing in the city. The population density was 2,583.7 inhabitants per square mile (997.6/km). There were 5,189 housing units at an average density of 975.4 per square mile (376.6/km). The racial makeup of the city was 81.10% White, 3.60% African American, 0.26% Native American, 2.47% Asian, 0.04% Pacific Islander, 3.90% from other races, and 2.42% from two or more races. Hispanic or Latino of any race were 11.1% of the population.