Crystal River is a city in Citrus County, Florida, United States. The population was 3,108 in the 2010 census. According to the U.S. Census estimates of 2018, the city had a population of 3,162. The city was incorporated in 1903 and is the self professed "Home of the Manatee". Crystal River Preserve State Park is located nearby, and Crystal River Archaeological State Park is located in the city's northwest side.