Newberry is a city located in the southwest corner of Alachua County, Florida, United States. The population was 7,342 as of the 2020 Cen…Newberry is a city located in the southwest corner of Alachua County, Florida, United States. The population was 7,342 as of the 2020 Census, up from 4,950 at the 2010 census. It is part of the Gainesville, Florida Metropolitan Statistical Area. Much of the city borders neighboring Gilchrist County, to the west.