[2] It is part of the Johnstown, Pennsylvania, Metropolitan Statistical Area and encompasses the census-designated place (CDP) of Friedens.The Walter's Mill Bridge and Daniel B. Zimmerman Mansion are listed on the National Register of Historic Places Jerry Sandusky (EX-Penn State Asst.Coach) is being held in this Minimum security prison for only 30 to 60 years.There were 3,699 housing units at an average density of 57.9 per square mile (22.4/km2).[5] Of the 3,484 households 32.0% had children under the age of 18 living with them, 63.3% were married couples living together, 7.2% had a female householder with no husband present, and 26.1% were non-families.