Boundary Atlas

ZIP code 01450: Groton, MA

ZIP code 01450 is in Groton (12% of residents), in Middlesex County, Massachusetts. 88% of its residents live outside city limits. It is in Massachusetts's 3rd congressional district. Its state senate district is Worcester and Middlesex District; its state house districts are 1st Middlesex District (64%) and 37th Middlesex District (36%).

11,298residents (2020 Census)
32.8 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Massachusetts

City and county

City or townShare of ZIP residents
Groton12%

CountyShare of ZIP residents
Middlesex County100%

Town or county subdivisionShare of ZIP residents
Groton town100%

Congressional district

Congressional districtShare of ZIP residents
Massachusetts's 3rd congressional district (MA-03)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MA-03)Lori Trahan (D)202-225-3411100%
U.S. SenatorEdward J. Markey (D)202-224-2742 · contact formstatewide
U.S. SenatorElizabeth Warren (D)202-224-4543 · contact formstatewide
State Senator (Worcester and Middlesex District)John Cronin (Democratic)100%
State Representative (1st Middlesex District)Margaret Scarsdale (Democratic)64%
State Representative (37th Middlesex District)Dan Sena (Democratic)36%

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 ZIP residents
Worcester and Middlesex District100%

State house districtShare of ZIP residents
1st Middlesex District64%
37th Middlesex District36%

Voting precincts

3 voting precincts overlap ZIP 01450. Map them, with each precinct's share of the ZIP's residents.

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ZIP 01450 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.