Back to list November 17, 2014 Carlisle The tree-lined streets of Carlisle are bustling with people shopping, dining and visiting one of the many attractions located in this historic downtown. As the county seat, many come to Carlisle for business, but the town also has rich military ties as the home of the U.S. Army War College and U.S. Army Heritage & Education Center. Forbes ranked Carlisle as one of the cheapest cities to live and the second best place to raise a family in the nation. Learn more here. Municipalities: Carlisle Borough, Lower Frankford Township, Middlesex Township, North Middleton Township, West Pennsboro Township