Montgomery, GA has a population of 4,222 and is the 7,193rd largest city in the United States. The population density is 809 per sq mi which is 384% higher than the Georgia average and 793% higher than the national average. The median age in Montgomery is 39 which is approximately 9% higher than the Georgia average of 36. In Montgomery, 55% of the population over 15 years of age are married, 88% speak English and 10% speak Spanish. 72% of Montgomery residents were born in Georgia, 17% were born out of state, 1% were born outside of the United States and 11% were foreign born.