Horn Lake is a city in DeSoto County, Mississippi, United States which is located south of Memphis, Tennessee. As of the 2010 U.S. Census, the population of Horn Lake was 26,066, up from 14,099 in 2000.
Horn Lake is bordered to the north, east, and southeast by the city of Southaven. U.S. Route 51 forms a large portion of Horn Lake's eastern border; it leads north 15 miles (24 km) to downtown Memphis, and south 9 miles (14 km) to Hernando, the DeSoto County seat. Interstate 55 passes just east of Horn Lake, with access from Exits 287,289 and 901.
According to the United States Census Bureau, the city of Horn Lake has an area of 16.3 square miles (42.3 km2), of which 16.0 square miles (41.5 km2) is land and 0.3 square miles (0.8 km2), or 1.98%, is water.
Horn Lake is the site of a plant owned by Chicago-based Newly Weds Foods, which manufactures food coatings, seasonings, and other ingredients for the food processing and service industries.
The headquarters of the American Contract Bridge League are in Horn Lake, along with a related Hall of Fame, museum, and library.
The "Elvis Ranch", a 154.5-acre (62.5 ha) ranch owned by Elvis Presley during the last decade of his life, is in Horn Lake.
Horn Lake is served by the DeSoto County School District.
Horn Lake has experienced substantial African-American growth and to a lesser extent Hispanic growth. Census 2010 revealed Horn Lake was now 56.3% non-Hispanic White (down from 83% in 2000), 33% African-American (up from 12% in 2000), 8% Hispanic, 1% Asian, 0.4% Native American, and 2.3% mixed race.
As of the census of 2000, there were 14,099 people, 4,934 households, and 3,754 families residing in the city. The population density was 1,947.5 people per square mile (751.9/km²).