Phillipsburg, GA has a population of 442 and is the 20,318th largest city in the United States. The population density is 1,438 per sq mi which is 761% higher than the Georgia average and 1487% higher than the national average. The median age in Phillipsburg is 30 which is approximately 17% lower than the Georgia average of 36. In Phillipsburg, 32% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 95% of Phillipsburg residents were born in Georgia, 5% were born out of state, 0% were born outside of the United States and 0% were foreign born.