The population was 1,870 at the time of the 2020 census, an increase from the figure of 1,858 tabulated in 2010.

The unincorporated community of Limestone is located in the western part of the township on Pennsylvania Route 66 in the valley of Piney Creek.

[3] As of the census[5] of 2000, there were 1,773 people, 669 households, and 519 families residing in the township.

The racial makeup of the township was 99.61% White, 0.06% African American, 0.11% Asian, and 0.23% from two or more races.

18.1% of all households were made up of individuals, and 7.6% had someone living alone who was sixty-five years of age or older.