The unincorporated community of Blackwell Junction is also located partially in the town.
The town was named for sawmill owner John Blackwell.
As of the census[2] of 2000, there were 347 people, 45 households, and 31 families residing in the town.
There were 116 housing units at an average density of 1.8 per square mile (0.7/km2).
28.9% of all households were made up of individuals, and 6.7% had someone living alone who was 65 years of age or older.