Hiram, GA has a population of 3,751 and is the 7,731st largest city in the United States. The population density is 944 per sq mi which is 465% higher than the Georgia average and 942% higher than the national average. The median age in Hiram is 39 which is approximately 8% higher than the Georgia average of 36. In Hiram, 53% of the population over 15 years of age are married, 88% speak English and 6% speak Spanish. 50% of Hiram residents were born in Georgia, 41% were born out of state, 1% were born outside of the United States and 9% were foreign born.