Boundary Atlas

Braintree Town, Massachusetts

Braintree Town is a city in Norfolk County, Massachusetts, with 39,143 residents in 2020. It is in Massachusetts's 8th congressional district. It spans 2 state senate districts. Its state house district is 5th Norfolk District.

39,143residents (2020 Census)
13.8 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Norfolk County100%

Congressional district

Congressional districtShare of residents
Massachusetts's 8th congressional district (MA-08)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MA-08)Stephen F. Lynch (D)202-225-8273100%
U.S. SenatorEdward J. Markey (D)202-224-2742 · contact formstatewide
U.S. SenatorElizabeth Warren (D)202-224-4543 · contact formstatewide
State Senator (Norfolk and Plymouth District)John Keenan (Democratic)25%
State Representative (5th Norfolk District)Mark Cusack (Democratic)100%

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of residents
Norfolk-Plymouth-Bristol District75%
Norfolk and Plymouth District25%

State house districtShare of residents
5th Norfolk District100%

ZIP codes

Percentages mark ZIPs only partly in Braintree Town: the share of that ZIP's residents living in it.

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Your agent can get Braintree Town's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:place:2507740")

Braintree Town here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.