The following unincorporated communities are located within East Cook Unorganized Territory: As of the census[2] of 2000, there were 814 people, 372 households, and 233 families residing in the unorganized territory.
There were 1,128 housing units at an average density of 2.9 per square mile (1.1/km2).
The racial makeup of the unorganized territory was 95.70% White, 1.11% Black or African American, 0.86% Native American, 0.61% Asian, 0.74% from other races, and 0.98% from two or more races.
There were 372 households, out of which 21.5% had children under the age of 18 living with them, 57.5% were married couples living together, 3.2% had a female householder with no husband present, and 37.1% were non-families.
29.6% of all households were made up of individuals, and 8.9% had someone living alone who was 65 years of age or older.