Maine's 4th State Senate district is one of 35 districts in the Maine Senate. It has been represented by Republican Stacey Guerin since 2022. Geography District 4 includes a small part of Penobscot County, and the entirety of Piscataquis County.

Penobscot County - 15.8% of county

Piscataquis County - 100% of county

Penobscot:

Towns: Bradford Charleston Corinth Corinna Dexter Exeter Garland Glenburg Hudson Kenduskeag Levant

Piscataquis:

Recent election results Source:

2022

Elections prior to 2022 were held under different district lines.

2024

Historical election results Source:

2012

2014

2016

2018

2020

References