Rock Hill is a city located in York County South Carolina. With a 2020 population of 76,228, it is the 5th largest city in South Carolina (after Charleston, Columbia, North Charleston, and Mount Pleasant) and the 470th largest city in the United States . Rock Hill is currently growing at a rate of 0.78% annually and its population has increased by 15.23% since the most recent census, which recorded a population of 66,154 in 2010. Rock Hill reached it's highest population of 76,228 in 2021. Spanning over 39 miles, Rock Hill has a population density of 1,976 people per square mile.
The average household income in Rock Hill is $68,086 with a poverty rate of 15.58%. The median rental costs in recent years comes to $967 per month, and the median house value is $155,800. The median age in Rock Hill is 34.6 years, 33 years for males, and 36.2 years for females.