119th Congress · MD-4
Maryland's 4th Congressional District
Maryland's 4th Congressional District (MD-4) has a population of 758,555. The median household income is $90,739 and the median age is 37.1.
758,555
Population
3493
People / sq mi
$90,739
Median Income
37.1
Median Age
MD-4 covers 217 sq mi of land at 3493.0 people per square mile.
Race & Ethnicity
| White | 12.8% |
| Black or African American | 55.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.9% |
Economy & Income
$90,739
Median Household Income
$40,765
Per Capita Income
7.9%
Poverty Rate
4.6%
Unemployment
Housing
$381,700
Median Home Value
$1,741
Median Rent
54.7%
Homeownership
Education
84.3%
High School+
32.8%
Bachelor's+
Other Maryland Congressional Districts
Largest cities in Maryland
Largest counties in Maryland
State rankings
Frequently Asked Questions
Maryland's 4th Congressional District (MD-4) has a population of 758,555 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 4th Congressional District is $90,739, with a per capita income of $40,765.
Maryland's 4th Congressional District is 12.8% White, 55.3% Black, 0.0% Asian, and 1.9% Hispanic or Latino, per Census ACS data.
More from Maryland
Data for Maryland's 4th 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 this entity record above pulls directly from the U.S. Census Bureau ACS and decennial files. What follows is the per-entity context — how this entity sits in the broader U.S. population demographics distribution and which underlying factors drive the headline numbers.
Every number on this page links back to the U.S. Census Bureau ACS and decennial files; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. states, metros, cities, and ZIPs with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: U.S. Census Bureau ACS, 2026.