Crofton is a census-designated place and planned community in Anne Arundel County, Maryland, United States, located 9.8 miles (15.8 km) west of the state capital Annapolis, 24 miles (39 km) south of Baltimore, and 24 miles (39 km) east-northeast of Washington, D.C. The community was established in 1964 and as of the 2020 census, it had a population of 29,136.

Anne Arundel County, also notated as AA or A.A. County, is located in the U.S. state of Maryland. As of the 2020 United States census, its population was 588,261, an increase of just under 10% since 2010. Its county seat is Annapolis, which is also the capital of the state. The county is named for Anne Arundell, Lady Baltimore, a member of the ancient family of Arundells in Cornwall, England, and the wife of Cecilius Calvert, 2nd Baron Baltimore (1605–1675), founder and first lord proprietor of the colony Province of Maryland.