Boundary Atlas

ZIP code 01876: Tewksbury, MA

ZIP code 01876 is in Middlesex County (100%) and Essex County (<0.1%), Massachusetts, outside any city or Census-designated place. It is in Massachusetts's 6th congressional district. Its state senate district is Second Essex and Middlesex District; its state house districts are 19th Middlesex District (60%), 18th Essex District (27%) and 17th Middlesex District (12%).

31,105residents (2020 Census)
20.8 sq miland area
0cities and towns
1congressional district
9voting precincts

See it on the mapAll of Massachusetts

City and county

Outside any city or Census-designated place.


CountyShare of ZIP residents
Middlesex County100%
Essex County<0.1%

Town or county subdivisionShare of ZIP residents
Tewksbury town100%
Andover town<0.1%

Congressional district

Congressional districtShare of ZIP residents
Massachusetts's 6th congressional district (MA-06)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MA-06)Seth Moulton (D)202-225-8020100%
U.S. SenatorEdward J. Markey (D)202-224-2742 · contact formstatewide
U.S. SenatorElizabeth Warren (D)202-224-4543 · contact formstatewide
State Senator (Second Essex and Middlesex District)Barry Finegold (Democratic)100%
State Representative (19th Middlesex District)Dave Robertson (Democratic)60%
State Representative (18th Essex District)Tram Nguyen (Democratic)27%

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
Second Essex and Middlesex District100%

State house districtShare of ZIP residents
19th Middlesex District60%
18th Essex District27%
17th Middlesex District12%

Voting precincts

9 voting precincts overlap ZIP 01876. Map them, with each precinct's share of the ZIP's residents.

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ZIP 01876 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.