<P> Rock Hill is the largest city in York County , South Carolina , United States and the fifth - largest city in the state . It is also the fourth - largest city of the Charlotte metropolitan area , behind Charlotte , Concord , and Gastonia ( all located in North Carolina , unlike Rock Hill ) . As of the 2010 Census , the population was 66,154 . In 2016 , the population had increased to 72,937 . </P>
<P> Rock Hill is the largest city in York County , South Carolina , United States and the fifth - largest city in the state . It is also the fourth - largest city of the Charlotte metropolitan area , behind Charlotte , Concord , and Gastonia ( all located in North Carolina , unlike Rock Hill ) . As of the 2010 Census , the population was 66,154 . In 2016 , the population had increased to 72,937 . </P>
where is rock hill sc on a map
where is rock hill sc on a map
York County , South Carolina
York County , South Carolina