119th Congress · MD-3
Maryland's 3rd Congressional District
Maryland's 3rd Congressional District (MD-3) has a population of 773,638. The median household income is $128,806 and the median age is 39.6.
773,638
Population
1545
People / sq mi
$128,806
Median Income
39.6
Median Age
MD-3 covers 501 sq mi of land at 1545.4 people per square mile.
Race & Ethnicity
| White | 59.7% |
| Black or African American | 17.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.4% |
Economy & Income
$128,806
Median Household Income
$61,802
Per Capita Income
3.6%
Poverty Rate
2.5%
Unemployment
Housing
$490,000
Median Home Value
$1,943
Median Rent
74.4%
Homeownership
Education
94.3%
High School+
52.8%
Bachelor's+
Other Maryland Congressional Districts
Largest cities in Maryland
Largest counties in Maryland
State rankings
Frequently Asked Questions
Maryland's 3rd Congressional District (MD-3) has a population of 773,638 according to the latest Census ACS 5-Year estimates. Each US Congressional District is drawn to be roughly equal in population (~760K people).
The median household income in Maryland's 3rd Congressional District is $128,806, with a per capita income of $61,802.
Maryland's 3rd Congressional District is 59.7% White, 17.5% Black, 0.0% Asian, and 1.4% Hispanic or Latino, per Census ACS data.
More from Maryland
Data for Maryland's 3rd Congressional District (119th Congress) from the American Community Survey 5-Year estimates. Land area from the Census Gazetteer files. Congressional districts are redrawn after each decennial Census; the 119th Congress (current) uses post-2020 boundaries.
The poverty rate is what most separates Maryland's 3rd Congressional District from the typical congressional district: 3.6% of residents live below the federal poverty line, against 12.4% nationally. Maryland's 3rd Congressional District is a congressional district in Maryland with a population of 773,638.
Earnings sit at the high end: a median household income of $128,806, above the US median of $78,538. Very few residents live in poverty — 3.6%, below the national 12.4%. Home values run above average at $490,000, with typical rent around $1,943.
Maryland's 3rd Congressional District is among the best-educated US congressional districts: 52.8% of adults 25 and older hold a bachelor’s degree, above the national 35.0%.
Source: U.S. Census Bureau ACS, 2026.