Addison, PA

Addison is a borough in Somerset County, Pennsylvania, United States. The 2020 census counted 165 residents. Addison is part of the Johnstown, Pennsylvania, Metropolitan Statistical Area. Peter Augustine laid out Petersburg, which later became Addison, in 1818. The through line in Addison is the way its history and present-day settings remain visible on the same map. Addison makes the most sense through those concrete details, with its history still visible in the settings people use today. Henry Stuller built the first house here in 1820, the same year in which John Brown built a tavern. Addison is surrounded by Addison Township.