Hastings is an unincorporated census-designated place and agricultural center in St. Johns County, Florida, United States, 18 miles southwest of St. Augustine. It was formerly an incorporated town, but it was dissolved in 2018 after a vote by residents. The population was 1,262 at the 2020 census, up from 580 at the 2010 census. It is part of the Jacksonville, Florida Metropolitan Statistical Area.