Snellville, GA has a population of 19,395 and is the 2,246th largest city in the United States. The population density is 1,850 per sq mi which is 1008% higher than the Georgia average and 1942% higher than the national average. The median age in Snellville is 40 which is approximately 10% higher than the Georgia average of 36. In Snellville, 58% of the population over 15 years of age are married, 78% speak English and 13% speak Spanish. 37% of Snellville residents were born in Georgia, 43% were born out of state, 4% were born outside of the United States and 16% were foreign born.