Cleveland County is a county located in the foothills of the Blue Ridge Mountains and the western Piedmont, on the southern border of the U.S. state of North Carolina. As of the 2020 census, the population was 99,519. Its county seat is Shelby. Cleveland County comprises the Shelby-Kings Mountain, NC Micropolitan Statistical Area, which is also included in the Charlotte-Concord, NC-SC Combined Statistical Area.