Prospect is a town in Waldo County, Maine, United States.

It is now a major tourist attraction, as is the Penobscot Narrows Bridge and Observatory.

[3] Construction on Fort Knox began in 1844, using granite from Mount Waldo in Frankfort.

It was built to defend the Penobscot River and the lumber port of Bangor during the Aroostook War.

There were 337 housing units at an average density of 18.6 per square mile (7.2/km2).

23.7% of all households were made up of individuals, and 6.9% had someone living alone who was 65 years of age or older.

The racial makeup of the town was 98.60% White, 0.16% Native American, and 1.25% from two or more races.

19.8% of all households were made up of individuals, and 5.5% had someone living alone who was 65 years of age or older.