Boundary Atlas

ZIP code 01742: West Concord, MA

ZIP code 01742 is in West Concord (34% of residents), in Middlesex County, Massachusetts. 66% of its residents live outside city limits. It is in Massachusetts's 3rd congressional district. Its state senate districts are Third Middlesex District (99%) and Middlesex and Worcester District (0.5%); its state house districts are 14th Middlesex District (60%) and 13th Middlesex District (40%).

18,545residents (2020 Census)
24.1 sq miland area
1cities and towns
1congressional district
6voting precincts

See it on the mapAll of Massachusetts

City and county

City or townShare of ZIP residents
West Concord34%

CountyShare of ZIP residents
Middlesex County100%

Town or county subdivisionShare of ZIP residents
Concord town99%
Acton town0.5%

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 (Third Middlesex District)Mike Barrett (Democratic)99%
State Senator (Middlesex and Worcester District)Jamie Eldridge (Democratic)0.5%
State Representative (14th Middlesex District)Simon Cataldo (Democratic)60%
State Representative (13th Middlesex District)Carmine Gentile (Democratic)40%

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
Third Middlesex District99%
Middlesex and Worcester District0.5%

State house districtShare of ZIP residents
14th Middlesex District60%
13th Middlesex District40%

Voting precincts

6 voting precincts overlap ZIP 01742. Map them, with each precinct's share of the ZIP's residents.

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ZIP 01742 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.