Massachusetts Barnstable-Dukes-Nantucket District

State Legislative District Profile (Lower Chamber)

Overview

District ID
ma-hd-006
State
Massachusetts
Chamber
Lower chamber
District Code
006
Land Area
166.3 sq mi
Water Area
649.6 sq mi

Boundary

Boundary of Massachusetts Barnstable-Dukes-Nantucket District

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Dukes County103.20 sq mi62.1%100.0%
Nantucket County46.19 sq mi27.8%100.0%
Barnstable County16.89 sq mi10.2%4.3%

Showing all 3 counties

Places

PlaceOverlapShare of district landShare of place land
Nantucket CDP5.82 sq mi3.5%100.0%
West Falmouth CDP2.50 sq mi1.5%81.1%
Woods Hole CDP2.14 sq mi1.3%100.0%
Siasconset CDP2.13 sq mi1.3%100.0%
Falmouth CDP2.09 sq mi1.3%100.0%
Madaket CDP1.99 sq mi1.2%100.0%
Oak Bluffs CDP1.81 sq mi1.1%100.0%
Vineyard Haven CDP1.30 sq mi0.8%100.0%
Edgartown CDP1.20 sq mi0.7%100.0%
Teaticket CDP0.10 sq mi0.1%9.0%

Showing all 10 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 945,798100.0%5.9%100.0%

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

Voters

Registered Voters
37,032
Active Voters
30,129 (81.4%)

Party Registration

PartyVotersShare
Democratic10,59828.6%
Republican<10—
Unaffiliated00.0%
Other parties23,56963.6%
No party recorded<10—

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20268,672 (23.4%)0 (0.0%)0 (0.0%)
2023–202426,790 (72.3%)7,875 (21.3%)3,626 (9.8%)
2021–202220,442 (55.2%)6,679 (18.0%)1,631 (4.4%)
2019–202025,158 (67.9%)13,556 (36.6%)2,150 (5.8%)
2017–201820,052 (54.1%)5,743 (15.5%)1,463 (4.0%)
2015–201621,059 (56.9%)9,598 (25.9%)3,246 (8.8%)
2013–201414,298 (38.6%)3,194 (8.6%)903 (2.4%)
2011–201218,241 (49.3%)2,813 (7.6%)2,088 (5.6%)

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
45,964 (± 869)
Median Age
49.6
Median Household Income
$115,543 (± $10,770)
High School Graduate or Higher (age 25+)
94.5%
Bachelor's Degree or Higher (age 25+)
55.5%

Population by Age

GroupPeopleShare
Under 187,87117.1%
18 to 6425,81056.2%
65 and over12,28326.7%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)4,0138.7%
White, not Hispanic35,20576.6%
Black, not Hispanic2,0284.4%
Asian, not Hispanic9312.0%
American Indian / Alaska Native, not Hispanic2630.6%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic8491.8%
Two or more races, not Hispanic2,6755.8%

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
42,169
Citizen Voting Age Population (CVAP)
34,833

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic39,33293.3%
Hispanic2,8356.7%
White35,31683.7%
Black2,1245.0%
Asian5991.4%
American Indian / Alaska Native2650.6%
Native Hawaiian / Pacific Islander240.1%
Two or More Races2110.5%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic33,22795.4%
Hispanic1,6064.6%
White30,16086.6%
Black2,0445.9%
Asian4681.3%
American Indian / Alaska Native3311.0%
Native Hawaiian / Pacific Islander240.1%
Two or More Races2090.6%

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