Boundary Atlas

ZIP code 01430: Ashburnham, MA

ZIP code 01430 is in South Ashburnham (18% of residents), in Worcester County, Massachusetts. 82% of its residents live outside city limits. It is in Massachusetts's 3rd congressional district. Its state senate district is Hampshire-Franklin-Worcester District; its state house district is 2nd Worcester District.

6,303residents (2020 Census)
36.7 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Massachusetts

City and county

City or townShare of ZIP residents
South Ashburnham18%

CountyShare of ZIP residents
Worcester County100%

Town or county subdivisionShare of ZIP residents
Ashburnham town99%
Winchendon town0.8%

Congressional district

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

State legislative districts

State senate districtShare of ZIP residents
Hampshire-Franklin-Worcester District100%

State house districtShare of ZIP residents
2nd Worcester District100%

Voting precincts

3 voting precincts overlap ZIP 01430. 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:01430")

ZIP 01430 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.