Massachusetts 9th Worcester District

State Legislative District Profile (Lower Chamber)

Overview

District ID
ma-hd-150
State
Massachusetts
Chamber
Lower chamber
District Code
150
Land Area
61.7 sq mi
Water Area
1.52 sq mi

Boundary

Boundary of Massachusetts 9th 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 County61.67 sq mi100.0%4.1%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Whitinsville CDP3.64 sq mi5.9%100.0%
Upton CDP2.47 sq mi4.0%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 243,999100.0%5.6%100.0%

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

Voters

Registered Voters
35,339
Active Voters
27,777 (78.6%)

Party Registration

PartyVotersShare
Democratic5,62215.9%
Republican<10—
Unaffiliated00.0%
Other parties25,86973.2%
No party recorded<10—

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20265,159 (14.6%)0 (0.0%)0 (0.0%)
2023–202425,744 (72.8%)4,536 (12.8%)5,111 (14.5%)
2021–202216,359 (46.3%)3,511 (9.9%)2,157 (6.1%)
2019–202024,135 (68.3%)9,727 (27.5%)3,123 (8.8%)
2017–201817,903 (50.7%)2,078 (5.9%)2,119 (6.0%)
2015–201619,978 (56.5%)5,392 (15.3%)4,670 (13.2%)
2013–201413,486 (38.2%)1,433 (4.1%)1,622 (4.6%)
2011–201216,854 (47.7%)769 (2.2%)2,193 (6.2%)

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
44,549 (± 140)
Median Age
42.6
Median Household Income
$127,321 (± $8,339)
High School Graduate or Higher (age 25+)
94.9%
Bachelor's Degree or Higher (age 25+)
48.3%

Population by Age

GroupPeopleShare
Under 189,83722.1%
18 to 6427,23561.1%
65 and over7,47716.8%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)2,8986.5%
White, not Hispanic36,10781.1%
Black, not Hispanic6041.4%
Asian, not Hispanic2,4135.4%
American Indian / Alaska Native, not Hispanic550.1%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic5451.2%
Two or more races, not Hispanic1,9274.3%

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
43,148
Citizen Voting Age Population (CVAP)
33,489

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic40,42393.7%
Hispanic2,7246.3%
White36,73185.1%
Black6051.4%
Asian1,9164.4%
American Indian / Alaska Native590.1%
Native Hawaiian / Pacific Islander00.0%
Two or More Races400.1%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic31,86895.2%
Hispanic1,6234.8%
White29,49188.1%
Black5821.7%
Asian1,5984.8%
American Indian / Alaska Native1860.6%
Native Hawaiian / Pacific Islander20.0%
Two or More Races90.0%

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