Ocala is a city in and the county seat of Marion County, Florida, United States. Located in North Central Florida, the city's population was 63,…Ocala is a city in and the county seat of Marion County, Florida, United States. Located in North Central Florida, the city's population was 63,591 as of the 2020 census, up from 56,315 at the 2010 census and making it the 43rd-most populated city in Florida. Ocala is the principal city of the Ocala metropolitan area, which had a population of 375,908 in 2020.