Massachusetts Congressional District 01

Congressional District Profile

Overview

District ID
MA-01
State
Massachusetts
District Number
01
Total Candidates
58
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 01

Voters

Registered Voters
625,313
Active Voters
541,387 (86.6%)

Party Registration

PartyVotersShare
Democratic141,51722.6%
Republican<10—
Unaffiliated00.0%
Other parties424,80067.9%
No party recorded<10—

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202698,621 (15.8%)0 (0.0%)0 (0.0%)
2023–2024383,738 (61.4%)81,913 (13.1%)60,273 (9.6%)
2021–2022264,320 (42.3%)74,324 (11.9%)26,093 (4.2%)
2019–2020362,402 (58.0%)153,930 (24.6%)40,425 (6.5%)
2017–2018263,035 (42.1%)60,826 (9.7%)22,964 (3.7%)
2015–2016309,002 (49.4%)111,569 (17.8%)53,863 (8.6%)
2013–2014205,606 (32.9%)42,229 (6.8%)12,310 (2.0%)
2011–2012259,295 (41.5%)44,162 (7.1%)26,592 (4.3%)

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
753,557
Citizen Voting Age Population (CVAP)
604,785

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic610,92881.1%
Hispanic142,62818.9%
White539,77171.6%
Black39,7585.3%
Asian12,5271.7%
American Indian / Alaska Native4460.1%
Native Hawaiian / Pacific Islander360.0%
Two or More Races2,0570.3%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic508,55684.1%
Hispanic96,23215.9%
White457,92475.7%
Black35,1925.8%
Asian11,5401.9%
American Indian / Alaska Native2,9800.5%
Native Hawaiian / Pacific Islander340.0%
Two or More Races1,2700.2%

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

Candidates