Boundary Atlas

ZIP code 04861: Thomaston, ME

ZIP code 04861 is in Thomaston (67% of residents), in Knox County, Maine. 33% of its residents live outside city limits. It is in Maine's 1st congressional district. Its state senate district is State Senate District 12; its state house district is State House District 43.

2,739residents (2020 Census)
10.9 sq miland area
1cities and towns
1congressional district
1voting precincts

See it on the mapAll of Maine

City and county

City or townShare of ZIP residents
Thomaston67%

CountyShare of ZIP residents
Knox County100%

Town or county subdivisionShare of ZIP residents
Thomaston town100%

Congressional district

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

Members of Congress

OfficeMemberContact
U.S. Representative (ME-01)Chellie Pingree (D)202-225-6116
U.S. SenatorAngus S. King, Jr. (I)202-224-5344 · contact form
U.S. SenatorSusan M. Collins (R)202-224-2523 · contact form

Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).

State legislative districts

State senate districtShare of ZIP residents
State Senate District 12100%

State house districtShare of ZIP residents
State House District 43100%

Voting precincts

1 voting precinct overlap ZIP 04861. Map them, with each precinct's share of the ZIP's residents.

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ZIP 04861 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.