Boundary Atlas

ZIP code 02142: Cambridge, MA

ZIP code 02142 is in Cambridge, in Middlesex County, Massachusetts. It is in Massachusetts's 7th congressional district. Its state senate district is Middlesex and Suffolk District; its state house districts are 2nd Suffolk District (86%) and 26th Middlesex District (14%).

4,499residents (2020 Census)
0.3 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Massachusetts

City and county

City or townShare of ZIP residents
Cambridge100%

CountyShare of ZIP residents
Middlesex County100%

Town or county subdivisionShare of ZIP residents
Cambridge city100%

Congressional district

Congressional districtShare of ZIP residents
Massachusetts's 7th congressional district (MA-07)100%

State legislative districts

State senate districtShare of ZIP residents
Middlesex and Suffolk District100%

State house districtShare of ZIP residents
2nd Suffolk District86%
26th Middlesex District14%

Voting precincts

4 voting precincts overlap ZIP 02142. 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:02142")

ZIP 02142 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.