[1] Seboeis is a name derived from the Penobscot language meaning "brook or small stream".

[3] At the 2000 census, there were 41 people, 17 households and 13 families living in the plantation.

There were 58 housing units at an average density of 1.4 per square mile (0.54/km2).

[5] Of the 17 households, 11.8% had children under the age of 18 living with them, 52.9% were married couples living together, 23.5% had a female householder with no husband present and 23.5% were non-families.

There are 8.3% of families living below the poverty line and 20.0% of the population, including 66.7% of under eighteens and none of those over 64.