Boundary Atlas

Marion Center, Massachusetts

Marion Center is a Census-designated place (an unincorporated community) in Plymouth County, Massachusetts, with 1,172 residents in 2020. It is in Massachusetts's 9th congressional district. Its state senate district is Third Bristol and Plymouth District; its state house district is 10th Bristol District.

1,172residents (2020 Census)
1.0 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Plymouth County100%

Congressional district

Congressional districtShare of residents
Massachusetts's 9th congressional district (MA-09)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MA-09)William R. Keating (D)202-225-3111100%
U.S. SenatorEdward J. Markey (D)202-224-2742 · contact formstatewide
U.S. SenatorElizabeth Warren (D)202-224-4543 · contact formstatewide
State Senator (Third Bristol and Plymouth District)Kelly Dooner (R)100%
State Representative (10th Bristol District)Mark Sylvia (Democratic)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

State legislative districts

State senate districtShare of residents
Third Bristol and Plymouth District100%

State house districtShare of residents
10th Bristol District100%

ZIP codes

Percentages mark ZIPs only partly in Marion Center: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Marion Center's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:place:2538575")

Marion Center here is the Census Bureau's place boundary as of January 1, 2025 (a Census-designated place, which has no municipal government). Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.