Boundary Atlas

ZIP code 01752: Marlborough, MA

ZIP code 01752 is in Marlborough, in Middlesex County, Massachusetts. It is in Massachusetts's 3rd congressional district. Its state senate district is Middlesex and Worcester District; its state house districts are 4th Middlesex District (87%) and 13th Middlesex District (13%).

41,793residents (2020 Census)
20.9 sq miland area
1cities and towns
1congressional district
14voting precincts

See it on the mapAll of Massachusetts

City and county

City or townShare of ZIP residents
Marlborough100%

CountyShare of ZIP residents
Middlesex County100%

Town or county subdivisionShare of ZIP residents
Marlborough city100%

Congressional district

Congressional districtShare of ZIP residents
Massachusetts's 3rd congressional district (MA-03)100%

State legislative districts

State senate districtShare of ZIP residents
Middlesex and Worcester District100%

State house districtShare of ZIP residents
4th Middlesex District87%
13th Middlesex District13%

Voting precincts

14 voting precincts overlap ZIP 01752. 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:

related_geographies(id="us:zcta:01752")

ZIP 01752 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.