Massachusetts Congressional District 09

Congressional District Profile

Overview

District ID
MA-09
State
Massachusetts
District Number
09
Total Candidates
61
Election Cycles
2026, 2024, 2022, 2020, 2018, 2016, 2014, 2012, 2010, 2008, 2006, 2004, 2002, 2000, 1998, 1996, 1994, 1992, 1990, 1988, 1986, 1984, 1982, 1980

View office details for U.S. Representative - Massachusetts District 09

Voters

Registered Voters
645,829
Active Voters
558,542 (86.5%)

Party Registration

PartyVotersShare
Democratic129,93920.1%
Republican<10—
Unaffiliated00.0%
Other parties447,32869.3%
No party recorded<10—

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–2026107,597 (16.7%)0 (0.0%)0 (0.0%)
2023–2024460,204 (71.3%)104,174 (16.1%)102,606 (15.9%)
2021–2022340,475 (52.7%)85,147 (13.2%)49,416 (7.7%)
2019–2020430,880 (66.7%)186,684 (28.9%)65,381 (10.1%)
2017–2018330,799 (51.2%)60,445 (9.4%)43,736 (6.8%)
2015–2016372,645 (57.7%)122,618 (19.0%)86,295 (13.4%)
2013–2014251,271 (38.9%)46,663 (7.2%)23,362 (3.6%)
2011–2012325,380 (50.4%)41,592 (6.4%)48,899 (7.6%)

Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.

Browse the voter list for this district (premium access; sign-in required)

Source: Civitech voter file snapshot as of 12/07/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Citizen Population
756,491
Citizen Voting Age Population (CVAP)
617,207

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic715,10094.5%
Hispanic41,3975.5%
White662,11587.5%
Black22,4373.0%
Asian9,3961.2%
American Indian / Alaska Native1,3990.2%
Native Hawaiian / Pacific Islander4580.1%
Two or More Races2,3010.3%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic591,91495.9%
Hispanic25,2964.1%
White555,34690.0%
Black21,1173.4%
Asian9,3211.5%
American Indian / Alaska Native4,8800.8%
Native Hawaiian / Pacific Islander3280.1%
Two or More Races1,4700.2%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation.

Candidates