Massachusetts's 7th congressional district (MA-07)
Massachusetts's 7th congressional district (MA-07) covers parts or all of Suffolk County, Middlesex County and Norfolk County, and 43 ZIP codes (19 wholly inside it). Its 2020 population was 781,102. This is the map in force for the November 3, 2026 election.
Who represents MA-07
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (MA-07) | Ayanna Pressley (D) | 202-225-5111 |
| U.S. Senator | Edward J. Markey (D) | 202-224-2742 · contact form |
| U.S. Senator | Elizabeth Warren (D) | 202-224-4543 · contact form |
Officials serving now (members of Congress until January 3, 2027). Sources: Members of Congress: the @unitedstates project, congress-legislators (CC0).
Counties
| County | Share of the county's residents in MA-07 |
|---|---|
| Suffolk County | 68% |
| Middlesex County | 12% |
| Norfolk County | 6.5% |
ZIP codes
Percentages mark ZIPs only partly in MA-07: the share of that ZIP's residents inside it.
- 02111 (65%)
- 02115
- 02116 (66%)
- 02118
- 02119
- 02120
- 02121
- 02122 (58%)
- 02124 (86%)
- 02125 (46%)
- 02126 (100%)
- 02127 (<0.1%)
- 02128
- 02129
- 02130 (56%)
- 02131 (64%)
- 02132 (10%)
- 02134
- 02135
- 02136
- 02138 (4.0%)
- 02139 (81%)
- 02140 (56%)
- 02141
- 02142
- 02143
- 02144
- 02145 (100%)
- 02149
- 02150
- 02151 (0.1%)
- 02155 (3.1%)
- 02163
- 02169 (<0.1%)
- 02186 (43%)
- 02199
- 02205
- 02210 (3.9%)
- 02215 (100%)
- 02368 (100%)
- 02445 (0.6%)
- 02446 (0.1%)
- 02467 (12%)
Towns
Chelsea city, Everett city, Randolph Town city, Somerville city, Boston city, Cambridge city and Milton town.
Get this in your AI agent
Your agent can draw every precinct in MA-07, or list them with population shares (related_geographies). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
get_boundaries(id="us:congressional_district:2507", children_level="precinct", include_districts=True)