Boundary Atlas

ZIP code 01605: Worcester, MA

ZIP code 01605 is in Worcester, in Worcester County, Massachusetts. It is in Massachusetts's 2nd congressional district. Its state senate districts are First Worcester District (99%) and Second Worcester District (0.9%); its state house districts are 14th Worcester District (57%), 15th Worcester District (28%) and 13th Worcester District (14%).

29,218residents (2020 Census)
5.7 sq miland area
1cities and towns
1congressional district
16voting precincts

See it on the mapAll of Massachusetts

City and county

City or townShare of ZIP residents
Worcester100%

CountyShare of ZIP residents
Worcester County100%

Town or county subdivisionShare of ZIP residents
Worcester city100%

Congressional district

Congressional districtShare of ZIP residents
Massachusetts's 2nd congressional district (MA-02)100%

Elected officials

OfficeMemberContactShare of residents
MayorJoseph Petty100%
U.S. Representative (MA-02)James P. McGovern (D)202-225-6101100%
U.S. SenatorEdward J. Markey (D)202-224-2742 · contact formstatewide
U.S. SenatorElizabeth Warren (D)202-224-4543 · contact formstatewide
State Senator (First Worcester District)Robyn Kennedy (Democratic)99%
State Senator (Second Worcester District)Mike Moore (Democratic)508-757-0323 ext. 130.9%
State Representative (14th Worcester District)Jim O'Day (Democratic)57%
State Representative (15th Worcester District)Mary Keefe (Democratic)28%
State Representative (13th Worcester District)John Mahoney (Democratic)14%

From Wikidata (community-maintained); confirm on the city's website.

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); Mayors: Wikidata (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
First Worcester District99%
Second Worcester District0.9%

State house districtShare of ZIP residents
14th Worcester District57%
15th Worcester District28%
13th Worcester District14%

Voting precincts

16 voting precincts overlap ZIP 01605. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

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:

related_geographies(id="us:zcta:01605")

ZIP 01605 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.