Massachusetts 12th Worcester District

State Legislative District Profile (Lower Chamber)

Overview

District ID
ma-hd-153
State
Massachusetts
Chamber
Lower chamber
District Code
153
Land Area
98.9 sq mi
Water Area
7.13 sq mi

Boundary

Boundary of Massachusetts 12th Worcester District

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Worcester County98.90 sq mi100.0%6.5%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Clinton CDP1.49 sq mi1.5%100.0%
South Lancaster CDP1.33 sq mi1.3%100.0%
Northborough CDP0.22 sq mi0.2%6.6%

Showing all 3 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 327,02761.8%3.5%46.6%
MA District 216,67238.2%2.1%53.4%

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

Voters

Registered Voters
34,307
Active Voters
26,584 (77.5%)

Party Registration

PartyVotersShare
Democratic5,77416.8%
Republican<10—
Unaffiliated00.0%
Other parties24,96272.8%
No party recorded<10—

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20264,287 (12.5%)0 (0.0%)0 (0.0%)
2023–202425,567 (74.5%)5,241 (15.3%)5,520 (16.1%)
2021–202218,814 (54.8%)4,301 (12.5%)2,306 (6.7%)
2019–202023,943 (69.8%)10,676 (31.1%)3,185 (9.3%)
2017–201818,098 (52.8%)3,272 (9.5%)2,273 (6.6%)
2015–201620,491 (59.7%)6,467 (18.9%)4,984 (14.5%)
2013–201414,096 (41.1%)2,144 (6.2%)1,064 (3.1%)
2011–201217,458 (50.9%)983 (2.9%)2,731 (8.0%)

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
44,686 (± 770)
Median Age
44.2
Median Household Income
$114,972 (± $9,370)
High School Graduate or Higher (age 25+)
93.7%
Bachelor's Degree or Higher (age 25+)
47.2%

Population by Age

GroupPeopleShare
Under 188,26218.5%
18 to 6427,84962.3%
65 and over8,57519.2%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)4,68610.5%
White, not Hispanic35,65679.8%
Black, not Hispanic7721.7%
Asian, not Hispanic1,2632.8%
American Indian / Alaska Native, not Hispanic120.0%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic4631.0%
Two or more races, not Hispanic1,8344.1%

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
42,556
Citizen Voting Age Population (CVAP)
34,564

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic38,47690.4%
Hispanic4,0849.6%
White36,24285.2%
Black7301.7%
Asian8181.9%
American Indian / Alaska Native100.0%
Native Hawaiian / Pacific Islander00.0%
Two or More Races530.1%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic31,83092.1%
Hispanic2,7377.9%
White30,16687.3%
Black6952.0%
Asian7402.1%
American Indian / Alaska Native1740.5%
Native Hawaiian / Pacific Islander10.0%
Two or More Races510.1%

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