The Rock is an unincorporated community and census-designated place in Upson County, Georgia, United States; as of the 2020 census, it had a population of 179. The Rock is located on Georgia State Route 36, 7 miles (11 km) northeast of Thomaston. The Rock has a post office with ZIP code 30285, although the post office is on the list to be closed. The Rock is also home to the area-famous Rock Ranch, a small theme park with a farming theme. The Rock is bordered by the cities of Barnesville, Hannahs Mill, Meansville, and Yatesville.