ZIP code 02131: Boston, MA
ZIP code 02131 is in Boston, in Suffolk County, Massachusetts. It is in Massachusetts's 7th congressional district (64%) and Massachusetts's 8th congressional district (36%). Its state senate districts are Norfolk and Suffolk District (85%) and Second Suffolk District (15%); its state house districts are 14th Suffolk District (49%), 10th Suffolk District (34%), 6th Suffolk District (15%), 15th Suffolk District (1.2%) and 12th Suffolk District (0.5%).
See it on the mapAll of Massachusetts
City and county
| City or town | Share of ZIP residents |
|---|---|
| Boston | 100% |
| County | Share of ZIP residents |
|---|---|
| Suffolk County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Boston city | 100% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Massachusetts's 7th congressional district (MA-07) | 64% |
| Massachusetts's 8th congressional district (MA-08) | 36% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Michelle Wu | 617-635-4500 | 100% |
| U.S. Representative (MA-07) | Ayanna Pressley (D) | 202-225-5111 | 64% |
| U.S. Representative (MA-08) | Stephen F. Lynch (D) | 202-225-8273 | 36% |
| 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 (Norfolk and Suffolk District) | Mike Rush (Democratic) | 85% | |
| State Senator (Second Suffolk District) | Liz Miranda (Democratic) | 15% | |
| State Representative (14th Suffolk District) | Rob Consalvo (Democratic) | 49% | |
| State Representative (10th Suffolk District) | Billy MacGregor (Democratic) | 34% | |
| State Representative (6th Suffolk District) | Russell Holmes (Democratic) | 15% | |
| State Representative (15th Suffolk District) | Sam Montaño (Democratic) | 1.2% | |
| State Representative (12th Suffolk District) | Brandy Fluker-Reid (Democratic) | 0.5% |
Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Boston website: https://www.boston.gov/
- Boston council: Boston City Council
- Boston laws: search for the Boston, Massachusetts code of ordinances
- Suffolk County laws: search for the Suffolk County, Massachusetts code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| Norfolk and Suffolk District | 85% |
| Second Suffolk District | 15% |
| State house district | Share of ZIP residents |
|---|---|
| 14th Suffolk District | 49% |
| 10th Suffolk District | 34% |
| 6th Suffolk District | 15% |
| 15th Suffolk District | 1.2% |
| 12th Suffolk District | 0.5% |
Voting precincts
20 voting precincts overlap ZIP 02131. 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:02131")
ZIP 02131 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.