Maryland Congressional District 04

Congressional District Profile

Overview

District ID
MD-04
State
Maryland
District Number
04
Total Candidates
135
Election Cycles
2026, 2024, 2022, 2020, 2018, 2016, 2014, 2012, 2010, 2008, 2006, 2004, 2002, 2000, 1998, 1996, 1994, 1992, 1990, 1988, 1986, 1984, 1982, 1980

View office details for U.S. Representative - Maryland District 04

Voters

Registered Voters
494,280
Active Voters
456,654 (92.4%)

Party Registration

PartyVotersShare
Democratic355,35971.9%
Republican33,5796.8%
Unaffiliated92,26118.7%
Other parties13,0812.6%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–2024278,927 (56.4%)0 (0.0%)0 (0.0%)
2021–2022153,292 (31.0%)0 (0.0%)0 (0.0%)
2019–2020266,625 (53.9%)133,322 (27.0%)5,587 (1.1%)
2017–2018188,180 (38.1%)73,475 (14.9%)2,635 (0.5%)
2015–2016218,077 (44.1%)88,719 (17.9%)6,339 (1.3%)
2013–2014111,845 (22.6%)45,616 (9.2%)2,151 (0.4%)
2011–2012194,675 (39.4%)32,409 (6.6%)3,200 (0.6%)

Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.

Browse the voter list for this district (premium access; sign-in required)

Source: Civitech voter file snapshot as of 12/01/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Citizen Population
626,821
Citizen Voting Age Population (CVAP)
470,689

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic511,02681.5%
Hispanic115,79218.5%
White75,64712.1%
Black386,91561.7%
Asian26,6124.2%
American Indian / Alaska Native9500.2%
Native Hawaiian / Pacific Islander1920.0%
Two or More Races4,8860.8%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic413,67787.9%
Hispanic57,01512.1%
White66,03214.0%
Black318,17467.6%
Asian23,8275.1%
American Indian / Alaska Native4,3910.9%
Native Hawaiian / Pacific Islander1650.0%
Two or More Races3,4630.7%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation.

Candidates