Boundary Atlas

ZIP code 01504: Blackstone, MA

ZIP code 01504 is in Worcester County, Massachusetts, outside any city or Census-designated place. It is in Massachusetts's 4th congressional district. Its state senate district is Worcester and Hampden District; its state house district is 8th Worcester District.

9,208residents (2020 Census)
11.1 sq miland area
0cities and towns
1congressional district
3voting precincts

See it on the mapAll of Massachusetts

City and county

Outside any city or Census-designated place.


CountyShare of ZIP residents
Worcester County100%

Town or county subdivisionShare of ZIP residents
Blackstone town100%

Congressional district

Congressional districtShare of ZIP residents
Massachusetts's 4th congressional district (MA-04)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MA-04)Jake Auchincloss (D)202-225-5931100%
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 Hampden District)Ryan Fattman (R)100%
State Representative (8th Worcester District)Mike Soter (R)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 ZIP residents
Worcester and Hampden District100%

State house districtShare of ZIP residents
8th Worcester District100%

Voting precincts

3 voting precincts overlap ZIP 01504. Map them, with each precinct's share of the ZIP's residents.

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ZIP 01504 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.