Commissioner District 1 includes the following election districts and precincts:

01-001 - Northwest Middle School
01-002 - Taneytown Elementary
02-001 - Francis Scott Key High School
03-001 - Charles Carroll Community Center
03-002 - North Carroll Community School
06-001 - Manchester Valley High School
06-005 - Manchester Valley High School
07-001 - Francis Scott Key High School
07-002 - North Carroll Community School
07-007 - Westminster Elementary School
07-008 - Westminster West Middle
09-002 - Old New Windsor School Community Room
09-003 - Old New Windsor School Community Room
10-001 - Francis Scott Key High School
11-001 - Old New Windsor School Community Room
12-001 - Francis Scott Key High School

Commissioner District 2 includes the following election districts and precincts:

04-002 - Sandymount Elementary School
04-003 - Mechanicsville Elementary
04-005 - Mechanicsville Elementary
05-002 - Oklahoma Road Middle School
06-002 - Manchester Valley High School
06-003 - North Carroll Middle School
08-001 - Spring Garden Elementary
08-002 - Hampstead Elementary School

Commissioner District 3 includes the following election districts and precincts:

04-001 - Winters Mill High School
06-004 - North Carroll Middle School
07-003 - Winters Mill High School
07-004 - Winters Mill High School
07-005 - Carroll Career & Tech Center
07-009 - Westminster West Middle
07-010 - Westminster Elementary School
08-003 - Hampstead Elementary School

Commissioner District 4 includes the following election districts and precincts:

04-004 - Mechanicsville Elementary
04-006 - Mechanicsville Elementary
04-007 - Friendship Valley Elementary School
05-001 - Liberty High School
07-006 - Friendship Valley Elementary School
09-001 - Winfield Fire Department Social Hall
11-002 - New Windsor School Community Room
13-001 - Parr's Ridge Elementary School
14-001 - South Carroll High School
14-005 - South Carroll High School

Commissioner District 5 includes the following election districts and precincts:

05-003 - Liberty High School
05-004 - South Carroll Senior Center
05-005 - Oklahoma Road Middle School
05-006 - Sykesville Middle School
14-002 - Century High School
14-003 - Century High School
14-004 - Sykesville Middle School