North Port is a city in southern Sarasota County, Florida, United States. The population was 22,797 at the 2000 census. As of 2007, the population recorded by the U.S. Census Bureau is 54,308. It is part of the Bradenton–Sarasota–Venice Metropolitan Statistical Area. It was originally developed by General Development Corporation as the northern or Sarasota County part of its Port Charlotte development.