ZIP code 01003: Amherst Town, MA

ZIP code 01003 is in Amherst Town, in Hampshire County, Massachusetts. It is in Massachusetts's 2nd congressional district. Its state senate district is Hampshire-Franklin-Worcester District; its state house district is 3rd Hampshire District.

13,253residents (2020 Census)

0.8 sq miland area

1cities and towns

1congressional district

5voting precincts

See it on the map All of Massachusetts

City and county

City or town	Share of ZIP residents
Amherst Town	100%

County	Share of ZIP residents
Hampshire County	100%

Town or county subdivision	Share of ZIP residents
Amherst Town city	100%

Congressional district

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

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (MA-02)	James P. McGovern (D)	202-225-6101	100%
U.S. Senator	Edward J. Markey (D)	202-224-2742 · contact form	statewide
U.S. Senator	Elizabeth Warren (D)	202-224-4543 · contact form	statewide
State Representative (3rd Hampshire District)	Mindy Domb (Democratic)	413-335-1362	100%

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).

Local government

Amherst Town website: https://visithampshirecounty.com/explore/destinations/amherst/
Amherst Town laws: search for the Amherst Town, Massachusetts code of ordinances
Hampshire County website: http://www.hampshirecog.org
Hampshire County laws: search for the Hampshire County, Massachusetts code of ordinances

State legislative districts

State senate district	Share of ZIP residents
Hampshire-Franklin-Worcester District	100%

State house district	Share of ZIP residents
3rd Hampshire District	100%

Voting precincts

5 voting precincts overlap ZIP 01003. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:01003")

ZIP 01003 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.