Boundary Atlas

Massachusetts's 6th congressional district (MA-06)

Massachusetts's 6th congressional district (MA-06) covers parts or all of Essex County and Middlesex County, and 49 ZIP codes (43 wholly inside it). Its 2020 population was 781,101. This is the map in force for the November 3, 2026 election.

781,101residents (2020 Census)
2counties
49ZIP codes
230voting precincts

Who represents MA-06

OfficeMemberContact
U.S. Representative (MA-06)Seth Moulton (D)202-225-8020
U.S. SenatorEdward J. Markey (D)202-224-2742 · contact form
U.S. SenatorElizabeth 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

CountyShare of the county's residents in MA-06
Essex County74%
Middlesex County11%

ZIP codes

Percentages mark ZIPs only partly in MA-06: the share of that ZIP's residents inside it.

Towns

Amesbury city, Andover town, Beverly city, Boxford town, Burlington town, Danvers town, Essex town, Georgetown town, Gloucester city, Groveland town, Hamilton town, Ipswich town, Lynn city, Lynnfield town, Manchester-by-the-Sea town, Marblehead town, Merrimac town, Middleton town, Nahant town, Newbury town, Newburyport city, North Andover town, North Reading town, Peabody city, Reading town, Rockport town, Rowley town, Salem city, Salisbury town, Saugus town, Swampscott town, Tewksbury town, Topsfield town, Wakefield town, Wenham town, West Newbury town, Wilmington town, Bedford town and Billerica town.

Get this in your AI agent

Your agent can draw every precinct in MA-06, 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:2506", children_level="precinct", include_districts=True)