Boundary Atlas

ZIP code 02472: Watertown, MA

ZIP code 02472 is in Watertown, in Middlesex County, Massachusetts. It is in Massachusetts's 5th congressional district. Its state senate districts are Suffolk and Middlesex District (100%) and Third Middlesex District (0.1%); its state house districts are 29th Middlesex District (66%), 10th Middlesex District (34%) and 9th Middlesex District (0.1%).

35,392residents (2020 Census)
4.0 sq miland area
2cities and towns
1congressional district
14voting precincts

See it on the mapAll of Massachusetts

City and county

City or townShare of ZIP residents
Watertown100%
Waltham0.1%

CountyShare of ZIP residents
Middlesex County100%

Town or county subdivisionShare of ZIP residents
Watertown city100%
Waltham city0.1%
Cambridge cityland only

Congressional district

Congressional districtShare of ZIP residents
Massachusetts's 5th congressional district (MA-05)100%

State legislative districts

State senate districtShare of ZIP residents
Suffolk and Middlesex District100%
Third Middlesex District0.1%

State house districtShare of ZIP residents
29th Middlesex District66%
10th Middlesex District34%
9th Middlesex District0.1%

Voting precincts

14 voting precincts overlap ZIP 02472. 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:02472")

ZIP 02472 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.