119th Congress · MA-3
Massachusetts's 3rd Congressional District
Massachusetts's 3rd Congressional District (MA-3) has a population of 777,948. The median household income is $97,616 and the median age is 39.2.
777,948
Population
1037
People / sq mi
$97,616
Median Income
39.2
Median Age
MA-3 covers 750 sq mi of land at 1036.8 people per square mile.
Race & Ethnicity
| White | 65.3% |
| Black or African American | 4.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
Economy & Income
$97,616
Median Household Income
$48,661
Per Capita Income
6.8%
Poverty Rate
3.8%
Unemployment
Housing
$466,900
Median Home Value
$1,560
Median Rent
63.9%
Homeownership
Education
89.3%
High School+
39.6%
Bachelor's+
Other Massachusetts Congressional Districts
Largest cities in Massachusetts
Largest counties in Massachusetts
State rankings
Frequently Asked Questions
Massachusetts's 3rd Congressional District (MA-3) has a population of 777,948 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 Massachusetts's 3rd Congressional District is $97,616, with a per capita income of $48,661.
Massachusetts's 3rd Congressional District is 65.3% White, 4.6% Black, 0.0% Asian, and 1.0% Hispanic or Latino, per Census ACS data.
More from Massachusetts
Data for Massachusetts'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.
Among US congressional districts, Massachusetts's 3rd Congressional District stands out first on household income: a median of $97,616, above the US median of $78,538. Massachusetts's 3rd Congressional District is a congressional district in Massachusetts with a population of 777,948.
Median household income is $97,616, above the US median of $78,538. About 6.8% of residents live below the federal poverty level, below the national 12.4%. A typical home is worth $466,900, with typical rent around $1,560.
About 39.6% of adults 25 and older have a bachelor’s degree, above the 35.0% national figure.
Taken together, the income and housing figures place Massachusetts's 3rd Congressional District firmly in the higher-cost, higher-earning tier of US congressional districts — a profile that tends to track dense job markets and competitive housing.
Source: U.S. Census Bureau ACS, 2026.