Thunderbolt, GA has a population of 2,606 and is the 9,591st largest city in the United States. The population density is 1,942 per sq mi which is 1064% higher than the Georgia average and 2044% higher than the national average. The median age in Thunderbolt is 40 which is approximately 9% higher than the Georgia average of 36. In Thunderbolt, 49% of the population over 15 years of age are married, 88% speak English and 8% speak Spanish. 56% of Thunderbolt residents were born in Georgia, 32% were born out of state, 1% were born outside of the United States and 12% were foreign born.