Maryland’s 6th congressional district is 84.49% urban and 15.51% rural. The district has all of Garrett, Washington, and Allegany county and parts of Montgomery and Frederick county. The district is lean Democrat, voting in a Democratic representative for 3 of the previous 5 elections and a Democratic presidential candidate for the 2 of the past 5. For the 2018 house race, the Democrat is David Trone. Trone in 2016 ran a unsuccessful Democratic primary campaign in Maryland's 8th to replace Chris Van Hollen. His opponent is republican Amie Hoeber, who worked as the deputy undersecretary of the army during the Reagan administration.