ZIP code 02301: Brockton, MA
ZIP code 02301 is in Brockton, in Plymouth County, Massachusetts. It is in Massachusetts's 8th congressional district. Its state senate district is Second Plymouth and Norfolk District; its state house districts are 11th Plymouth District (61%), 9th Plymouth District (26%) and 10th Plymouth District (13%).
See it on the mapAll of Massachusetts
City and county
| City or town | Share of ZIP residents |
|---|---|
| Brockton | 100% |
| County | Share of ZIP residents |
|---|---|
| Plymouth County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Brockton city | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Massachusetts's 8th congressional district (MA-08) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Robert F. Sullivan | 100% | |
| U.S. Representative (MA-08) | Stephen F. Lynch (D) | 202-225-8273 | 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 Senator (Second Plymouth and Norfolk District) | Mike Brady (Democratic) | 100% | |
| State Representative (11th Plymouth District) | Rita Mendes (Democratic) | 61% | |
| State Representative (9th Plymouth District) | Bridget Plouffe (Democratic) | 26% | |
| State Representative (10th Plymouth District) | Michelle DuBois (Democratic) | 13% |
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
Local government
- Brockton laws: search for the Brockton, Massachusetts code of ordinances
- Plymouth County laws: search for the Plymouth County, Massachusetts code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| Second Plymouth and Norfolk District | 100% |
| State house district | Share of ZIP residents |
|---|---|
| 11th Plymouth District | 61% |
| 9th Plymouth District | 26% |
| 10th Plymouth District | 13% |
Voting precincts
22 voting precincts overlap ZIP 02301. 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:02301")
ZIP 02301 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.