Boundary Atlas

ZIP code 01840: Lawrence, MA

ZIP code 01840 is in Lawrence, in Essex County, Massachusetts. It is in Massachusetts's 3rd congressional district. Its state senate district is First Essex District; its state house districts are 4th Essex District (53%), 17th Essex District (24%) and 16th Essex District (23%).

7,121residents (2020 Census)
0.5 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
Lawrence100%

CountyShare of ZIP residents
Essex County100%

Town or county subdivisionShare of ZIP residents
Lawrence city100%

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 (First Essex District)Pavel Payano (Democratic)100%
State Representative (4th Essex District)Estela Reyes (Democratic)53%
State Representative (17th Essex District)Frank Moran (Democratic)24%
State Representative (16th Essex District)Francisco Paulino (Democratic)23%

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
First Essex District100%

State house districtShare of ZIP residents
4th Essex District53%
17th Essex District24%
16th Essex District23%

Voting precincts

6 voting precincts overlap ZIP 01840. Map them, with each precinct's share of the ZIP's residents.

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ZIP 01840 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.