Massachusetts' 9th Congressional District
Massachusetts · MA-09
Massachusetts' 9th Congressional District is one of 9 U.S. House districts in Massachusetts, represented in Congress by William Keating (Democrat). It is home to roughly 785,141 people, with a median age of 46.8. The population is about 83% White. The median household income is $97,543, and 42% of adults 25 and older hold a bachelor’s degree or higher. In the 2024 presidential election it voted leaning Democratic (D+11).
Representative
Current U.S. House member (source: house.gov).
Geography
MA-09 is shown in red. Click a neighboring district to open it, or zoom out to explore the country.
By the Polsby-Popper measure, MA-09 is very 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).