where is marion county florida
Marion County, Florida. For counties with a similar name, see Marion County (disambiguation). Marion County is a county located in the U.S. state of Florida. As of the 2010 census, the population was 331,298. Its county seat is Ocala. Marion County comprises the Ocala, FL Metropolitan Statistical Area. Marion County was created in 1844 from portions of Alachua, Mosquito (Orange), and Hillsborough counties. Until 1853, Marion County included most of what are now Lake and Sumter counties.