Electoral Districts Based on the 2020 Census (covering 2022- 2031)

The 130th Legislature, in the Second Special Session, passed 4 public laws establishing the apportionment of the U.S. Congressional Districts, Maine Senate Districts, Maine House of Representative Districts and County Commissioner Districts. These public laws were signed by the Governor on September 29, 2021, and will be in effect for candidates and voters participating in the June 14, 2022 Primary Election and the November 8, 2022 General Election. 

Overview of Apportionment
Detailed Description of Maine's Apportionment Process
2021 Electoral Districts by County and Municipality (.xls format)
2021 Electoral Districts for Townships by County (.xls format)

U.S. Congressional Districts

2021 Congressional Districts

An Act To Reapportion the Congressional Districts of the State: Word | PDF

2021 Congressional District Map District 1 & 2

Congressional District Map

Maine Senate Districts

An Act To Reapportion the Maine Senate Districts of the State: Word | PDF

Statewide Senate Map - all districts

Senate Maps - Individual maps by district

Detailed descriptions of each Senate District: PDF | Word - PENDING

Maine House of Representatives Districts

An Act To Reapportion the Maine House of Representatves Districts of the State: Word | PDF

Statewide House Map - all districts

House Maps - Individual maps by district

Detailed descriptions of each House District: PDF | Word - PENDING

County Commissioner Districts

An Act To Reapportion the County Commissioners Districts of the State: Word | PDF

Statewide County Commissioner Maps - all districts

County Commissioners - Individual maps by county.

Detailed descriptions of each Commissioner District: PDF | Word - PENDING


Previous Electoral Districts

Electoral Districts (2012/2014 - 2021)
Electoral Districts (2003 - 2013)
Electoral Districts (1994 - 2003)