Lowell Correctional Institution is a women's prison located in unincorporated Marion County, Florida, north of Ocala. A part of the Florida Department of Corrections, it serves as the primary prison for women in the state. Almost 3,000 women are incarcerated in the complex, which includes the Lowell Annex. As of 2015 2,696 women are in the main Lowell CI, making it the largest prison for women in the United States; its prison population became larger than that of the Central California Women’s Facility that year.