Boundary Atlas

Sanford, Maine

Sanford is a city in York County, Maine, with 21,982 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 33.

21,982residents (2020 Census)
47.8 sq miland area
2ZIP codes
1congressional district

County

CountyShare of residents
York 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 33)Matt Harrington (R)100%
State Representative (State House District 142)Anne-Marie Mastraccio (Democratic)40%
State Representative (State House District 143)Ann Fredericks (R)40%
State Representative (State House District 141)Lucas Lanigan (R)20%

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 33100%

State house districtShare of residents
State House District 14240%
State House District 14340%
State House District 14120%

ZIP codes

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

Get this in your AI agent

Your agent can get Sanford'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:2365725")

Sanford 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.