Lincolnton, GA has a population of 1,686 and is the 12,025th largest city in the United States. The population density is 480 per sq mi which is 187% higher than the Georgia average and 430% higher than the national average. The median age in Lincolnton is 40 which is approximately 11% higher than the Georgia average of 36. In Lincolnton, 52% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 80% of Lincolnton residents were born in Georgia, 19% were born out of state, 1% were born outside of the United States and 1% were foreign born.