Mountain Park, GA has a population of 13,580 and is the 3,079th largest city in the United States. The population density is 2,357 per sq mi which is 1312% higher than the Georgia average and 2502% higher than the national average. The median age in Mountain Park is 41 which is approximately 12% higher than the Georgia average of 36. In Mountain Park, 62% of the population over 15 years of age are married, 81% speak English and 3% speak Spanish. 44% of Mountain Park residents were born in Georgia, 41% were born out of state, 1% were born outside of the United States and 15% were foreign born.