Johns Creek, GA has a population of 82,930 and is the 412th largest city in the United States. The population density is 2,691 per sq mi which is 1512% higher than the Georgia average and 2871% higher than the national average. The median age in Johns Creek is 40 which is approximately 9% higher than the Georgia average of 36. In Johns Creek, 67% of the population over 15 years of age are married, 63% speak English and 6% speak Spanish. 27% of Johns Creek residents were born in Georgia, 41% were born out of state, 2% were born outside of the United States and 30% were foreign born.