Massachusetts' 4th Congressional District
Massachusetts · MA-04
Massachusetts' 4th Congressional District is one of 9 U.S. House districts in Massachusetts, represented in Congress by Jake Auchincloss (Democrat). It is home to roughly 775,409 people, with a median age of 41. The population is about 78% White. The median household income is $114,461, and 50% of adults 25 and older hold a bachelor’s degree or higher. In the 2024 presidential election it voted solidly Democratic (D+20).
Representative
Current U.S. House member (source: house.gov).
Geography
MA-04 is shown in red. Click a neighboring district to open it, or zoom out to explore the country.
By the Polsby-Popper measure, MA-04 is irregular in shape compared with other districts.
Presidential results
Two-party presidential vote by district (source: The Downballot).
Who lives here
U.S. Census Bureau, American Community Survey (5-year estimates).
Economy & education
U.S. Census Bureau, American Community Survey (5-year estimates).