[1] As of the 2014 American Community Survey the largest self-reported ethnic/ancestry groups in the town of East Machias were English at 24.4%, Irish at 15.4%, German at 14.4% and those who identified as being American ancestry at 7.1%.

There were 845 housing units at an average density of 24.3 per square mile (9.4/km2).

27.7% of all households were made up of individuals, and 13.6% had someone living alone who was 65 years of age or older.

There were 776 housing units at an average density of 22.0 per square mile (8.5/km2).

The racial makeup of the town was 98.84% White, 0.31% Native American, 0.08% Asian, and 0.77% from two or more races.

25.7% of all households were made up of individuals, and 11.9% had someone living alone who was 65 years of age or older.