Thomson, GA has a population of 6,699 and is the 5,338th largest city in the United States. The population density is 1,527 per sq mi which is 814% higher than the Georgia average and 1585% higher than the national average. The median age in Thomson is 34 which is approximately 6% lower than the Georgia average of 36. In Thomson, 44% of the population over 15 years of age are married, 97% speak English and 2% speak Spanish. 84% of Thomson residents were born in Georgia, 13% were born out of state, 0% were born outside of the United States and 2% were foreign born.