[2] The township shares the ZIP Code of nearby Beaver Falls.
According to the United States Census Bureau, the township has a total area of 15.7 square miles (40.6 km2), all land.
There were 2,933 housing units at an average density of 184.7 per square mile (71.3/km2).
24.6% of all households were made up of individuals, and 11.8% had someone living alone who was 65 years of age or older.
Children residing in Chippewa Township attend the Blackhawk School District.