Zebulon, GA has a population of 1,415 and is the 13,039th largest city in the United States. The population density is 317 per sq mi which is 90% higher than the Georgia average and 250% higher than the national average. The median age in Zebulon is 35 which is approximately 4% lower than the Georgia average of 36. In Zebulon, 56% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 79% of Zebulon residents were born in Georgia, 20% were born out of state, 0% were born outside of the United States and 0% were foreign born.