Nobleboro, founded in 1788, is a town in Lincoln County, Maine, United States.

On August 7, 1823, Maine's first recorded meteorite fall occurred in Nobleboro.

This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters.

There were 1,106 housing units at an average density of 58.4 per square mile (22.5/km2).

25.9% of all households were made up of individuals, and 11.5% had someone living alone who was 65 years of age or older.

26.0% of all households were made up of individuals, and 10.8% had someone living alone who was 65 years of age or older.

Nobleboro is served by U.S. Route 1 and the Rockland Branch Railroad passes through the town.