Hiram is a city in Paulding County, Georgia, United States. It is approximately part of Metro Atlanta. As of the 2020 census, the population is 4,929. It is east of the County seat of Dallas

State Route 120 is a 90.7-mile-long state highway that runs west-to-east through portions of Haralson, Paulding, Cobb, Fulton, and Gwinnett counties in northwestern part of the U.S. state of Georgia.