Gambrills refers to two neighboring places in Anne Arundel County, Maryland, United States, located in the Washington, District of Columbia and Baltimore metro area: the unincorporated community of Gambrills, and the Gambrills census-designated place (CDP). The area was named after Augustine Gambrill, plantation owner. The CDP covers an expansive range that falls within the communities of Crofton, Waugh Chapel, and Odenton. It also borders Davidsonville, Crownsville, Millersville, and Prince Georges County, Maryland. In 2018, the population of the CDP was 2,770. The median-income of residents was $137,500 Gambrills is served by routes 3, 32 and MARC, the Maryland commuter rail service. There is MARC station in the neighboring town of Odenton, with regular rail service to Baltimore and Washington.
The original village of Gambrills is located along Maryland Route 175 (Annapolis Road), 2 miles (3 km) southeast of the center of Odenton and extends south and southeast around Crofton.
Gambrills is the site of two large power centers adjacent to one another: Waugh Chapel Towne Centre (650,000 sq.