Chattahoochee Hills, GA has a population of 2,655 and is the 9,460th largest city in the United States. The population density is 53 per sq mi which is 68% lower than the Georgia average and 42% lower than the national average. The median age in Chattahoochee Hills is 48 which is approximately 31% higher than the Georgia average of 36. In Chattahoochee Hills, 63% of the population over 15 years of age are married, 94% speak English and 5% speak Spanish. 65% of Chattahoochee Hills residents were born in Georgia, 31% were born out of state, 1% were born outside of the United States and 3% were foreign born.