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Maryland's 3rd Congressional District

Maryland · MD-03

Maryland's 3rd Congressional District is one of 8 U.S. House districts in Maryland, represented in Congress by Sarah Elfreth (Democrat). It is home to roughly 774,455 people, with a median age of 39.7. The population is about 58% White. The median household income is $129,109, and 53% of adults 25 and older hold a bachelor’s degree or higher. In the 2024 presidential election it voted solidly Democratic (D+24).

Representative

Sarah Elfreth Democrat

Current U.S. House member (source: house.gov).

Geography

Map of Maryland

MD-03 is shown in red. Click a neighboring district to open it, or zoom out to explore the country.

530 mi²
Land area
1,461/mi²
Pop. density
0.27
Compactness (Polsby-Popper)

By the Polsby-Popper measure, MD-03 is irregular in shape compared with other districts.

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Presidential results

D+24
2024 margin
60% / 37%
2024 Dem / Rep
D+26
2020 margin

Two-party presidential vote by district (source: The Downballot).

Who lives here

58% White17% Black9% Hispanic10% Asian6% Other
774,455
Population
39.7
Median age
22.9%
Under 18
15.8%
Age 65+
14.9%
Foreign-born
8.4%
Veterans

U.S. Census Bureau, American Community Survey (5-year estimates).

Economy & education

$129,109
Median household income
$490,434
Median home value
$1,947
Median rent
53%
Bachelor's or higher
74.3%
Homeownership
5.4%
Poverty rate
31.2 min
Mean commute
4.3%
Uninsured

U.S. Census Bureau, American Community Survey (5-year estimates).

Neighboring districts

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