Carlisle is a town and the county seat of Cumberland County, Pennsylvania, United States. The name is locally pronounced as in British English with emphasis on the second syllable /kɑːrˈlaɪl/. Carlisle is located within the Cumberland Valley, a highly productive agricultural region. As of the 2010 census, the borough population was 18,682; the estimated population as of 2014 was 18,916. Including suburbs in the neighboring townships, 37,695 live in the Carlisle urban cluster. Carlisle is an suburb of Harrisburg, Pennsylvania, to the east.Carlisle is the slightly smaller principal city of the Harrisburg−Carlisle Metropolitan Statistical Area, which includes all of Cumberland, Dauphin, and Perry counties in South Central Pennsylvania. In 2010, Forbes rated Carlisle and Harrisburg the second-best place to raise a family.The U.S. Army War College, located at the Carlisle Barracks, prepares high-level military personnel and civilians for strategic leadership responsibilities.

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