- Sebring is a city located in Highlands County, Florida, United States. It is known for being the home of the Sebring International Raceway, which hosts the famous 12 Hours of Sebring endurance sports car race. The city has a population of approximately 10,491 residents as of the 2020 census. Sebring is surrounded by beautiful lakes and offers various recreational activities such as fishing, boating, and golfing. The downtown area features charming shops, restaurants, and historical buildings.