Monmouth is a town in Kennebec County, Maine, United States.

Monmouth is included in the Lewiston-Auburn, Maine metropolitan New England city and town area.

[3] A popular summer resort area with many lakeside cottages, Monmouth is part of the Winthrop Lakes Region.

Part of the Plymouth Patent, it was first settled as Freetown in 1776–1777 by families from Brunswick.

[5] The name was suggested by landowner General Henry Dearborn, who had fought in the Battle of Monmouth on June 28, 1778.

[6] Monmouth was considered one of the best agricultural towns in the state, producing hay, apples and potatoes, in addition to beef cattle and dairy products.

17.8% of all households were made up of individuals, and 7.1% had someone living alone who was 65 years of age or older.

20.0% of all households were made up of individuals, and 7.9% had someone living alone who was 65 years of age or older.