Altamonte Springs is a suburban city in central Florida in Seminole County, Florida, United States, which had a population of 46,231 at the 2020 United States Census. The city is in the northern suburbs of the Orlando–Kissimmee–Sanford Metropolitan Statistical Area, which the United States Census Bureau estimated had a population of 2,054,574 in 2008. Dr. Washington Kilmer of Cincinnati was the first person of European background to settle into the area circa 1870, and he named the area Altamont (minus the "e" from the present spelling) after Altamont, New York, an area near his childhood home. In 1882, the Altamonte Land, Hotel and Navigation Company, founded by Thomas C. Simpson and four other Massachusetts businessmen, gave the area its present name: Altamonte Springs. The company developed the core community along Altamonte Avenue (today's SR 436) between Maitland and Longwood Avenues (today's Ronald Reagan Boulevard). On November 11, 1920, the residents of Altamonte Springs voted 38 to 7 in favor of incorporation. Geography Altamonte Springs is located at (28.661463, –81.392016). According to the United States Census Bureau, the city has a total area of 9.4 mi2 (24.5 km2), of which 8.9 mi2 (23.1 km2) is land and 0.6 mi2 (1.5 km2) (5.93%) is water. Government Altamonte Springs has a city manager, city commissioner form of government, consisting of four commission districts and the mayor serving citywide. Demographics As of the census of 2000, there were 41,200 people, 18,821 households, and 10,012 families residing in the city. The population density was 4,631.1 inhabitants per square mile (1,787.3/km2). There were 19,992 housing units at an average density of . The racial makeup of the city was 79.23% White, 9.72% African American, 0.33% Native American, 2.94% Asian, 0.04% Pacific Islander, 4.79% from other races, and 2.94% from two or more races. Hispanic or Latino of any race were 15.93% of the population. There were 18,821 households, out of which 24.8% had children under the age of 18 living with them, 37.1% were married couples living together, 12.0% had a female householder with no husband present, and 46.8% were non-families. 36.1% of all households were made up of individuals, and 6.7% had someone living alone who was 65 years of age or older. The average household size was 2.17 and the average family size was 2.86. In the city, the population was spread out, with 20.4% under the age of 18, 10.8% from 18 to