Maryland Election Law Section 8-707
§ 8-707.
  (a)   The sixth congressional district consists of the following counties:
    (1)   Allegany County;
    (2)   Carroll County;
    (3)   Frederick County;
    (4)   Garrett County; and
    (5)   Washington County.
  (b)   The district also includes the following parts of Baltimore County:
    (1)   election districts 5, 6, and 7;
    (2)   election district 4, precinct 9;
    (3)   election district 8, precinct 1;
    (4)   election district 10, precinct 1; and
    (5)   that part of election district 8, precinct 3 that consists of the following census tracts and blocks:
      (i)   census tract 4081.00, blocks 1000 through 1009 and 1999; and
      (ii)   census tract 4089.00, blocks 2001 through 2005.
  (c)   The district also includes the following parts of Harford County:
    (1)   election district 3, precinct 5;
    (2)   election district 4, precincts 1, 3, 4, and 6;
    (3)   election district 5, precinct 2;
    (4)   that part of election district 3, precinct 4 that consists of census tract 3032.01, blocks 2009, 2010, and 2011; and
    (5)   that part of election district 5, precinct 1 that consists of the following census tracts and blocks:
      (i)   census tract 3021.00, block 1009;
      (ii)   census tract 3051.00, blocks 3012 through 3014, 3019 through 3021, 4000, 4001, 4004, and 4005;
      (iii)   census tract 3052.00, blocks 1000 through 1012, 2000 through 2025, and 3000 through 3005; and
      (iv)   census tract 3053.00, blocks 1000 through 1013 and 2001 through 2022.
  (d)   The district also includes the following parts of Montgomery County:
    (1)   election district 12; and
    (2)   that part of election district 2, precinct 1 that consists of census tract 7003.02, blocks 3000 through 3003 and 3012.