Boundary Atlas

Westbrook, Maine

Westbrook is a city in Cumberland County, Maine, with 20,400 residents in 2020. It is in Maine's 1st congressional district. It spans 2 state senate and 3 state house districts.

20,400residents (2020 Census)
17.2 sq miland area
1ZIP 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
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 26)Tim Nangle (Democratic)60%
State Senator (State Senate District 27)Jill Duson (Democratic)40%
State Representative (State House District 128)Sue Salisbury (Democratic)46%
State Representative (State House District 127)Morgan Rielly (Democratic)45%
State Representative (State House District 126)Drew Gattine (Democratic)8.6%

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
State Senate District 2660%
State Senate District 2740%

State house districtShare of residents
State House District 12846%
State House District 12745%
State House District 1268.6%

ZIP codes

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

Get this in your AI agent

Your agent can get Westbrook'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:2382105")

Westbrook 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.