[3] A small portion of Pennsylvania State Game Lands Number 249 is located in Butler Township.

[4][5] As of the census[6] of 2000, there were 2,678 people, 979 households, and 784 families residing in the township.

There were 1,024 housing units at an average density of 42.6 per square mile (16.4/km2).

There were 979 households, out of which 32.9% had children under the age of 18 living with them, 68.7% were married couples living together, 7.5% had a female householder with no husband present, and 19.9% were non-families.

15.0% of all households were made up of individuals, and 6.5% had someone living alone who was 65 years of age or older.