Gambrills refers to two neighboring places in Anne Arundel County, Maryland, in the Baltimore metro area: the unincorporated community of Gambrills, and the Gambrills census-designated place (CDP). The area was named for Augustine Gambrill, plantation owner. The population of the CDP was 2,800 at the 2010 census, up from 1,759 in 2000. Gambrills is served by Route 3, Route 32 and MARC, the Maryland commuter rail service. There is a busy MARC station in the neighboring town of Odenton, with regular rail service to Baltimore and Washington, DC.