Boundary Atlas

Winthrop Town, Massachusetts

Winthrop Town is a city in Suffolk County, Massachusetts, with 19,316 residents in 2020. It is in Massachusetts's 5th congressional district. Its state senate district is Third Suffolk District; its state house district is 19th Suffolk District.

19,316residents (2020 Census)
2.0 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Suffolk County100%

Congressional district

Congressional districtShare of residents
Massachusetts's 5th congressional district (MA-05)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MA-05)Katherine M. Clark (D)202-225-2836100%
U.S. SenatorEdward J. Markey (D)202-224-2742 · contact formstatewide
U.S. SenatorElizabeth Warren (D)202-224-4543 · contact formstatewide
State Senator (Third Suffolk District)Lydia Edwards (Democratic)100%
State Representative (19th Suffolk District)Jeff Turco (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
Third Suffolk District100%

State house districtShare of residents
19th Suffolk District100%

ZIP codes

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

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Your agent can get Winthrop 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:

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Winthrop 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.