[2] The Ross Furnace was listed on the National Register of Historic Places in 1991.

The borough of Bolivar is located on the northern border of Fairfield Township, along the Conemaugh River.

At the 2000 census there were 2,536 people, 950 households, and 737 families living in the township.

The population density was 41.9 inhabitants per square mile (16.2/km2).

[5] Of the 950 households 31.2% had children under the age of 18 living with them, 65.9% were married couples living together, 8.3% had a female householder with no husband present, and 22.4% were non-families.