Unionville, GA has a population of 1,625 and is the 12,249th largest city in the United States. The population density is 2,164 per sq mi which is 1196% higher than the Georgia average and 2288% higher than the national average. The median age in Unionville is 47 which is approximately 30% higher than the Georgia average of 36. In Unionville, 32% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 92% of Unionville residents were born in Georgia, 8% were born out of state, 0% were born outside of the United States and 0% were foreign born.