Armstrong County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 65,558. The county seat is Kittanning. The county was organized on March 12, 1800, from parts of Allegheny, Westmoreland and Lycoming Counties. It was named in honor of John Armstrong, who represented Pennsylvania in the Continental Congress and served as a major general during the Revolutionary War.
Armstrong County Courthouse
Crooked Creek Lake Recreation Area, a dam, reservoir, and park near Ford City in Armstrong County
Lycoming County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 114,188. Its county seat is Williamsport. The county is part of the Central Pennsylvania region of the state.
The Lycoming County courthouse in Williamsport
Seal
Major fault at the dividing line between the Allegheny Plateau and the true Appalachian Mountains near Williamsport, Pennsylvania