Roswell, GA has a population of 93,968 and is the 339th largest city in the United States. The population density is 2,308 per sq mi which is 1283% higher than the Georgia average and 2448% higher than the national average. The median age in Roswell is 38 which is approximately 6% higher than the Georgia average of 36. In Roswell, 58% of the population over 15 years of age are married, 77% speak English and 13% speak Spanish. 32% of Roswell residents were born in Georgia, 48% were born out of state, 2% were born outside of the United States and 18% were foreign born.