ZIP code 01930: Gloucester, MA

ZIP code 01930 is in Gloucester, in Essex County, Massachusetts. It is in Massachusetts's 6th congressional district. Its state senate district is First Essex and Middlesex District; its state house district is 5th Essex District.

29,729residents (2020 Census)

26.2 sq miland area

1cities and towns

1congressional district

10voting precincts

See it on the map All of Massachusetts

City and county

City or town	Share of ZIP residents
Gloucester	100%

County	Share of ZIP residents
Essex County	100%

Town or county subdivision	Share of ZIP residents
Gloucester city	100%

Congressional district

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

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (MA-06)	Seth Moulton (D)	202-225-8020	100%
U.S. Senator	Edward J. Markey (D)	202-224-2742 · contact form	statewide
U.S. Senator	Elizabeth Warren (D)	202-224-4543 · contact form	statewide
State Senator (First Essex and Middlesex District)	Bruce Tarr (R)		100%
State Representative (5th Essex District)	Dru Tarr (Democratic)		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

Gloucester website: https://www.gloucester-ma.gov/
Gloucester laws: search for the Gloucester, Massachusetts code of ordinances
Essex County laws: search for the Essex County, Massachusetts code of ordinances

State legislative districts

State senate district	Share of ZIP residents
First Essex and Middlesex District	100%

State house district	Share of ZIP residents
5th Essex District	100%

Voting precincts

10 voting precincts overlap ZIP 01930. Map them, with each precinct's share of the ZIP's residents.

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Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

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ZIP 01930 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.