Boundary Atlas

Portland, Maine

Portland is a city in Cumberland County, Maine, with 68,408 residents in 2020. It is in Maine's 1st congressional district. It spans 2 state senate and 8 state house districts.

68,408residents (2020 Census)
21.5 sq miland area
6ZIP 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
MayorMark N. Dion207-756-8241citywide
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 28)Rachel Talbot Ross (Democratic)55%
State Senator (State Senate District 27)Jill Duson (Democratic)45%
State Representative (State House District 113)Grayson Lookner (Democratic)14%
State Representative (State House District 119)Charles Skold (Democratic)13%
State Representative (State House District 115)Michael Brennan (Democratic)13%
State Representative (State House District 118)Yusuf Yusuf (Democratic)13%
State Representative (State House District 116)Sam Zager (Democratic)13%
State Representative (State House District 114)Dylan Pugh (Democratic)13%
State Representative (State House District 117)Matt Moonen (Democratic)13%
State Representative (State House District 112)Ed Crockett (I)9.1%

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 2855%
State Senate District 2745%

State house districtShare of residents
State House District 11314%
State House District 11913%
State House District 11513%
State House District 11813%
State House District 11613%
State House District 11413%
State House District 11713%
State House District 1129.1%

ZIP codes

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

Get this in your AI agent

Your agent can get 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:2360545")

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.