what city is pa for
Lake City, PA. Sponsored Topics. Lake City is a borough in Erie County, Pennsylvania, United States. The population was 2,811 at the 2000 census. It is part of the Erie Metropolitan Statistical Area. Lake City is located at 42Â°1â²2â³N 80Â°20â²48â³W / 42.01722Â°N 80.34667Â°W / 42.01722; -80.34667 (42.017349, -80.346641).