Maryland Election Law Section 8-706
§ 8-706.
  (a)   The fifth congressional district consists of the following counties:
    (1)   Calvert County;
    (2)   Charles County; and
    (3)   St. Mary's County.
  (b)   The district also includes the following parts of Anne Arundel County: election district 7, precincts 1 through 12, 19, 21, and 22.
  (c)   The district also includes the following parts of Prince George's County:
    (1)   election districts 1, 4, 8, 10, 11, and 14;
    (2)   election district 3, precincts 1 and 2;
    (3)   election district 5, precincts 1, 2, 3, 5, 7, and 8;
    (4)   election district 7, precincts 2 through 10;
    (5)   election district 9, precincts 1, 2, 4, and 6 through 11;
    (6)   election district 15, precincts 1, 3, and 4;
    (7)   election district 16, precincts 3 and 4;
    (8)   election district 19, precincts 1 through 4;
    (9)   election district 20, precincts 1, 2, 6, 7, and 11;
    (10)   election district 21, precincts 1 through 4 and 6 through 17;
    (11)   that part of election district 5, precinct 4 that consists of the following census tracts and blocks:
      (i)   census tract 8013.01, blocks 1000 through 1004, 2002, 2003, 2004, and 5000 through 5010; and
      (ii)   census tract 8013.06, blocks 2019, 2025, 2026, 3000 through 3002, and 3005 through 3012; and
    (12)   that part of election district 21, precinct 5 that consists of census tract 8073.05, block 1014.