what county is gratz pa
Sponsored Topics. Gratz is a borough in Dauphin County, Pennsylvania, United States. The population was 676 at the 2000 census. It is part of the HarrisburgâCarlisle Metropolitan Statistical Area. Gratz is located at 40Â°36â²35â³N 76Â°43â²04â³W / 40.609747Â°N 76.717835Â°W / 40.609747; -76.717835.