Jefferson is a town in Lincoln County, Maine, United States.

[2] Damariscotta Lake State Park, a popular Mid Coast swimming, canoeing and picnic area, is located within the town limits.

[3] Abandoned granite quarries and clay banks where bricks were made suggest the early economic activities of the area.

[1] Jefferson is located on the Great Bay of Damariscotta Lake.

23.0% of all households were made up of individuals, and 8.9% had someone living alone who was 65 years of age or older.

21.2% of all households were made up of individuals, and 9.1% had someone living alone who was 65 years of age or older.

Jefferson's government consists of a three-member Board of Selectmen, A Chair Selectman is chosen each year, this person oversees the monthly meetings.