MARYLAND CONGRESSIONAL DISTRICTS BY COUNTIES/INDEPENDENT CITIES County 109th Congressional District Allegany 6 Anne Arundel 1-3,5 Baltimore 1-3,6,7 Calvert 5 Caroline 1 Carroll 6 Cecil 1 Charles 5 Dorchester 1 Frederick 6 Garrett 6 Harford 1,2,6 Howard 3,7 Kent 1 Montgomery 4,6,8 Prince George's 4,5,8 Queen Anne's 1 St. Mary's 5 Somerset 1 Talbot 1 Washington 6 Wicomico 1 Worcester 1 Baltimore city 2,3,7