 This historic area was laid out in 1803, with streets named after other counties in Georgia.The population of the town of Milledgeville was 17,715 at the 2010 census.As of the census of 2000, there were 18,757 people, 4,755 households, and 2,643 families residing in the city, although a 2005 study estimates there to be a population of 19,397.