Boundary Atlas

South Portland, Maine

South Portland is a city in Cumberland County, Maine, with 26,498 residents in 2020. It is in Maine's 1st congressional district. It spans 3 state house districts. Its state senate district is State Senate District 29.

26,498residents (2020 Census)
12.0 sq miland area
2ZIP codes
1congressional district

County

CountyShare of residents
Cumberland County100%

Congressional district

Congressional districtShare of residents
Maine's 1st congressional district (ME-01)100%

Elected officials

OfficeMemberContactShare of residents
MayorElyse Tipton207-767-7601citywide
U.S. Representative (ME-01)Chellie Pingree (D)202-225-6116100%
U.S. SenatorAngus S. King, Jr. (I)202-224-5344 · contact formstatewide
U.S. SenatorSusan M. Collins (R)202-224-2523 · contact formstatewide
State Senator (State Senate District 29)Anne Carney (Democratic)100%
State Representative (State House District 120)Deqa Dhalac (Democratic)35%
State Representative (State House District 122)Matt Beck (Democratic)33%
State Representative (State House District 121)Christopher Kessler (Democratic)32%

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

State legislative districts

State senate districtShare of residents
State Senate District 29100%

State house districtShare of residents
State House District 12035%
State House District 12233%
State House District 12132%

ZIP codes

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

Get this in your AI agent

Your agent can get South Portland'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:2371990")

South Portland here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.