Maryland's congressional districts

Maryland is divided into eight congressional districts, each represented by a member of the United States House of Representatives. After the 2020 census, the number of Maryland's seats remained unchanged, giving evidence of stable population growth relative to the United States at large.^[1][2]

Map of Maryland's congressional districts since 2023
Interactive map version

Current districts and representatives

List of members of the United States House delegation from Maryland, their terms, their district boundaries, and the district political ratings according to the Cook Partisan Voting Index. The delegation has eight members, including seven Democrats and one Republican.

Current U.S. representatives from Maryland
District	Member (Residence)[3]	Party	Incumbent since	CPVI (2025)[4]	District map
1st	Andy Harris (Cambridge)	Republican	January 3, 2011	R+8
2nd	Johnny Olszewski (Sparrows Point)	Democratic	January 3, 2025	D+10
3rd	Sarah Elfreth (Annapolis)	Democratic	January 3, 2025	D+12
4th	Glenn Ivey (Cheverly)	Democratic	January 3, 2023	D+39
5th	Steny Hoyer (Mechanicsville)	Democratic	May 19, 1981	D+17
6th	April McClain Delaney (Potomac)	Democratic	January 3, 2025	D+3
7th	Kweisi Mfume (Baltimore)	Democratic	May 5, 2020	D+31
8th	Jamie Raskin (Takoma Park)	Democratic	January 3, 2017	D+30

Historical district boundaries

Table of United States congressional district boundary maps in the State of Maryland, presented chronologically.^[5] All redistricting events that took place in Maryland between 1973 and 2013 are shown.

Year	Statewide map	Baltimore highlight
1973–1982
1983–1992
1993–2002
2003–2013
2013–2023

Obsolete district

• Maryland's at-large congressional seat

See also

• United States portal
• Maryland portal

• List of United States congressional districts
• United States congressional delegations from Maryland