[2] The Hillsgrove Covered Bridge was added to the National Register of Historic Places in 1973.
The Loyalsock Creek flows through Hillsgrove and other parts of Sullivan County as well.
The racial makeup of the township was 98.49% White, 0.38% Asian, and 1.13% from two or more races.
31.9% of all households were made up of individuals, and 13.3% had someone living alone who was 65 years of age or older.
About 5.6% of families and 7.5% of the population were below the poverty line, including 2.3% of those under the age of eighteen and 13.0% of those 65 or over.