Yonah, GA has a population of 629 and is the 18,139th largest city in the United States. The population density is 201 per sq mi which is 21% higher than the Georgia average and 122% higher than the national average. The median age in Yonah is 63 which is approximately 75% higher than the Georgia average of 36. In Yonah, 66% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 38% of Yonah residents were born in Georgia, 62% were born out of state, 0% were born outside of the United States and 0% were foreign born.