Leesburg is a city in Lake County, Florida, United States. The population was 20,117 at the 2010 census. As of 2019, the population recorded by the U.S. Census Bureau was 23,671.
Leesburg is in central Florida, between Lake Harris and Lake Griffin, at the head of the Oklawaha River system. It is part of the Orlando–Kissimmee–Sanford Metropolitan Statistical Area.
Leesburg is the home of Lake–Sumter State College (LSSC), which also has campuses in Clermont and Sumterville, Florida. It is also the home of Beacon College.
Leesburg was first settled in 1857 by Evander McIver Lee. Several of his brothers followed him to the area. One of them, Calvin Lee, was credited with giving the town its name. The city was incorporated in 1875, and was designated as the county seat of Sumter County for a time.