Walton County is a county located on the Emerald Coast in the northwestern part of the U.S. state of Florida, with its southern border on the Gulf of Mexico. As of the 2020 census, the population was 75,305. Its county seat is DeFuniak Springs. The county is home to the highest natural point in Florida: Britton Hill, at 345 feet (105 m). Walton County is included in the Crestview–Fort Walton Beach–Destin Metropolitan Statistical Area.