Neshannock Creek via Hottenbaugh Run drains Scott Township to the west, while Slippery Rock Creek via Taylor Run and other tributaries drains the township to the east.

Unincorporated communities in the township include Harlansburg, McCaslin, and Rockville.

As of the census[7] of 2000, there were 2,235 people, 814 households, and 638 families residing in the township.

The racial makeup of the township was 98.66% White, 0.40% Native American, 0.18% Asian, and 0.76% from two or more races.

18.8% of all households were made up of individuals, and 8.0% had someone living alone who was 65 years of age or older.