Darien, GA has a population of 2,825 and is the 9,115th largest city in the United States. The population density is 135 per sq mi which is 19% lower than the Georgia average and 49% higher than the national average. The median age in Darien is 41 which is approximately 13% higher than the Georgia average of 36. In Darien, 49% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 76% of Darien residents were born in Georgia, 17% were born out of state, 2% were born outside of the United States and 5% were foreign born.