Pine Lake, GA has a population of 644 and is the 17,980th largest city in the United States. The population density is 2,704 per sq mi which is 1520% higher than the Georgia average and 2884% higher than the national average. The median age in Pine Lake is 49 which is approximately 35% higher than the Georgia average of 36. In Pine Lake, 36% of the population over 15 years of age are married, 91% speak English and 5% speak Spanish. 37% of Pine Lake residents were born in Georgia, 50% were born out of state, 3% were born outside of the United States and 11% were foreign born.