Monmouth is located in Maine. Monmouth, Maine has a population of 4,083. Monmouth is less family-centric than the surrounding county with 21.36% of the households containing married families with children. The county average for households married with children is 24.82%.
The median household income in Monmouth, Maine is $63,257. The median household income for the surrounding county is $50,116 compared to the national median of $57,652. The median age of people living in Monmouth is 47 years.
The average high temperature in July is 79.1 degrees, with an average low temperature in January of 7.6 degrees. The average rainfall is approximately 46.8 inches per year, with 68.2 inches of snow per year.