[2] It was named for Jefferson County Associate Judge Joseph Henderson.
Unincorporated communities in the township include Desire and Stump Creek.
[4] Mahoning Creek forms part of the southwest border of the township.
The entire township is part of the Allegheny River watershed.
16.3% of all households were made up of individuals, and 7.6% had someone living alone who was 65 years of age or older.