Massachusetts 3rd Plymouth District

State Legislative District Profile (Lower Chamber)

Overview

District ID
ma-hd-113
State
Massachusetts
Chamber
Lower chamber
District Code
113
Land Area
34.9 sq mi
Water Area
49.8 sq mi

Boundary

Boundary of Massachusetts 3rd 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 County25.07 sq mi71.9%3.8%
Norfolk County9.78 sq mi28.1%2.5%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Hingham CDP3.10 sq mi8.9%100.0%
Hull CDP2.87 sq mi8.2%100.0%

Showing all 2 places

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 834,35680.4%4.4%71.9%
MA District 98,38119.6%1.1%28.1%

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

Voters

Registered Voters
35,474
Active Voters
30,512 (86.0%)

Party Registration

PartyVotersShare
Democratic7,84222.1%
Republican<10—
Unaffiliated00.0%
Other parties23,52366.3%
No party recorded<10—

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20263,617 (10.2%)0 (0.0%)0 (0.0%)
2023–202428,247 (79.6%)7,100 (20.0%)5,959 (16.8%)
2021–202222,308 (62.9%)5,717 (16.1%)2,851 (8.0%)
2019–202026,452 (74.6%)12,236 (34.5%)2,700 (7.6%)
2017–201819,351 (54.5%)4,114 (11.6%)2,349 (6.6%)
2015–201622,706 (64.0%)8,067 (22.7%)5,716 (16.1%)
2013–201416,321 (46.0%)3,244 (9.1%)1,114 (3.1%)
2011–201219,886 (56.1%)1,727 (4.9%)2,987 (8.4%)

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
42,848 (± 37)
Median Age
49.6
Median Household Income
$159,493 (± $14,223)
High School Graduate or Higher (age 25+)
97.6%
Bachelor's Degree or Higher (age 25+)
69.4%

Population by Age

GroupPeopleShare
Under 189,12721.3%
18 to 6423,26654.3%
65 and over10,45524.4%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)1,0192.4%
White, not Hispanic39,74792.8%
Black, not Hispanic1510.4%
Asian, not Hispanic7511.8%
American Indian / Alaska Native, not Hispanic410.1%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic2020.5%
Two or more races, not Hispanic9372.2%

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
42,195
Citizen Voting Age Population (CVAP)
33,183

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic41,20297.6%
Hispanic9952.4%
White39,84994.4%
Black1380.3%
Asian6561.6%
American Indian / Alaska Native400.1%
Native Hawaiian / Pacific Islander10.0%
Two or More Races100.0%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic32,53798.1%
Hispanic6451.9%
White31,49394.9%
Black2440.7%
Asian6842.1%
American Indian / Alaska Native1850.6%
Native Hawaiian / Pacific Islander10.0%
Two or More Races120.0%

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