Massachusetts 12th Norfolk District

State Legislative District Profile (Lower Chamber)

Overview

District ID
ma-hd-107
State
Massachusetts
Chamber
Lower chamber
District Code
107
Land Area
19.7 sq mi
Water Area
0.35 sq mi

Boundary

Boundary of Massachusetts 12th Norfolk District

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Norfolk County19.67 sq mi100.0%5.0%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Norwood CDP10.38 sq mi52.8%100.0%
Walpole CDP0.33 sq mi1.7%11.9%

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 844,681100.0%5.7%100.0%

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

Voters

Registered Voters
33,304
Active Voters
24,262 (72.9%)

Party Registration

PartyVotersShare
Democratic7,86923.6%
Republican2,7678.3%
Unaffiliated00.0%
Other parties22,66868.1%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20263,758 (11.3%)0 (0.0%)0 (0.0%)
2023–202424,022 (72.1%)5,966 (17.9%)5,176 (15.5%)
2021–202218,120 (54.4%)4,438 (13.3%)2,039 (6.1%)
2019–202023,666 (71.1%)11,905 (35.7%)3,080 (9.2%)
2017–201817,798 (53.4%)3,465 (10.4%)1,918 (5.8%)
2015–201619,934 (59.9%)7,077 (21.2%)4,482 (13.5%)
2013–201413,352 (40.1%)2,751 (8.3%)848 (2.5%)
2011–201216,986 (51.0%)1,886 (5.7%)2,615 (7.9%)

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
44,499 (± 791)
Median Age
39.0
Median Household Income
$122,189 (± $9,720)
High School Graduate or Higher (age 25+)
94.7%
Bachelor's Degree or Higher (age 25+)
59.0%

Population by Age

GroupPeopleShare
Under 189,68121.8%
18 to 6427,27061.3%
65 and over7,54817.0%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)3,7398.4%
White, not Hispanic32,16972.3%
Black, not Hispanic2,6155.9%
Asian, not Hispanic2,9936.7%
American Indian / Alaska Native, not Hispanic80.0%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic8461.9%
Two or more races, not Hispanic2,1294.8%

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
40,057
Citizen Voting Age Population (CVAP)
31,190

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic37,18692.8%
Hispanic2,8747.2%
White32,01479.9%
Black2,3755.9%
Asian1,6604.1%
American Indian / Alaska Native120.0%
Native Hawaiian / Pacific Islander00.0%
Two or More Races460.1%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic29,23193.7%
Hispanic1,9616.3%
White25,84682.9%
Black2,0306.5%
Asian1,2664.1%
American Indian / Alaska Native590.2%
Native Hawaiian / Pacific Islander00.0%
Two or More Races300.1%

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