Collier Township, Pennsylvania
Collier Township is a township in Allegheny County, Pennsylvania, United States. The population was 8,931 at the 2020 census, an increase over the figure of 7,080 tabulated in 2010.
Walker-Ewing Log House, built around 1790.
Rennerdale is an unincorporated community and census-designated place in Collier Township, Allegheny County, Pennsylvania, United States, about 9 miles (14 km) southwest of Pittsburgh. As of the 2020 census it had a population of 1,103.
Walker-Ewing Log House, built around 1790