Sandersville, GA has a population of 5,776 and is the 5,894th largest city in the United States. The population density is 454 per sq mi which is 172% higher than the Georgia average and 401% higher than the national average. The median age in Sandersville is 42 which is approximately 16% higher than the Georgia average of 36. In Sandersville, 49% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 88% of Sandersville residents were born in Georgia, 11% were born out of state, 0% were born outside of the United States and 1% were foreign born.