Massachusetts 10th Plymouth District

State Legislative District Profile (Lower Chamber)

Overview

District ID
ma-hd-120
State
Massachusetts
Chamber
Lower chamber
District Code
120
Land Area
10.5 sq mi
Water Area
0.03 sq mi

Boundary

Boundary of Massachusetts 10th Plymouth District

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Plymouth County10.49 sq mi100.0%1.6%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Brockton city10.49 sq mi100.0%49.2%

Showing all 1 place

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
MA District 844,980100.0%5.8%100.0%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
31,389
Active Voters
16,538 (52.7%)

Party Registration

PartyVotersShare
Democratic11,14335.5%
Republican1,5384.9%
Unaffiliated00.0%
Other parties18,70859.6%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20263,024 (9.6%)0 (0.0%)0 (0.0%)
2023–202414,983 (47.7%)3,373 (10.7%)1,485 (4.7%)
2021–20229,727 (31.0%)2,710 (8.6%)733 (2.3%)
2019–202016,108 (51.3%)7,206 (23.0%)1,126 (3.6%)
2017–201810,930 (34.8%)1,997 (6.4%)690 (2.2%)
2015–201613,622 (43.4%)4,706 (15.0%)1,336 (4.3%)
2013–20148,039 (25.6%)1,800 (5.7%)399 (1.3%)
2011–201211,235 (35.8%)1,187 (3.8%)628 (2.0%)

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 Population
44,827 (± 2,061)
Median Age
38.3
Median Household Income
$84,604 (± $6,065)
High School Graduate or Higher (age 25+)
81.9%
Bachelor's Degree or Higher (age 25+)
22.5%

Population by Age

GroupPeopleShare
Under 1811,16724.9%
18 to 6426,59459.3%
65 and over7,06615.8%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)5,68012.7%
White, not Hispanic13,48730.1%
Black, not Hispanic13,90331.0%
Asian, not Hispanic1,0742.4%
American Indian / Alaska Native, not Hispanic690.2%
Native Hawaiian / Pacific Islander, not Hispanic860.2%
Some other race, not Hispanic3,7418.3%
Two or more races, not Hispanic6,78715.1%

Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.

Citizen Voting Age Population

Total Citizen Population
39,205
Citizen Voting Age Population (CVAP)
28,865

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic34,62188.3%
Hispanic4,58411.7%
White15,24538.9%
Black17,16343.8%
Asian8682.2%
American Indian / Alaska Native700.2%
Native Hawaiian / Pacific Islander260.1%
Two or More Races3340.9%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic25,97990.0%
Hispanic2,88710.0%
White12,17742.2%
Black12,58343.6%
Asian8913.1%
American Indian / Alaska Native2360.8%
Native Hawaiian / Pacific Islander00.0%
Two or More Races1310.5%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).