The township surrounds the borough of Enon Valley to its North, West, and East.
Unincorporated communities in the township include Old Enon, Newburg, and Mount Air.
The racial makeup of the township was 99.39% White, 0.23% African American, and 0.38% from two or more races.
16.2% of all households were made up of individuals, and 6.2% had someone living alone who was sixty-five years of age or older.
The Pennsylvania Turnpike travels east–west through Northern and Eastern Little Beaver Township.