| | Greensboro, GA | Carnesville, GA | United States |
| Population | 3,538 | 1,171 | 329,725,481 |
| Female Population | 57.7% | 46.1% | 50.5% |
| Male Population | 42.3% | 53.9% | 49.5% |
| Median Age | 41.3 | 31.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,375 | 598 | 309,327,143 |
| Population - 2000 | 3,238 | 541 | 285,036,114 |
| Population - 1990 | 2,860 | 514 | 251,960,433 |
| Pop. 2000 to Now | 1.1% | 11.3% | 15.6% |
| Pop. 1990 to Now | 14.4% | 17.1% | 30.8% |
| space4 | | | |
| Population Density | 525.6 | 399.7 | 93.4 |
| Land Area | 6.7 | 2.9 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Greensboro, GA | Carnesville, GA | United States |
| Age 0 to 4 | 3.4% | 8.5% | 5.9% |
| Age 5 to 9 | 5.5% | 8.9% | 6.1% |
| Age 10 to 14 | 7.6% | 9.1% | 6.6% |
| Age 15 to 17 | 1.4% | 4.8% | 3.9% |
| Age 18 to 20 | 3.5% | 1.8% | 4.0% |
| Age 21 to 24 | 10.2% | 2.4% | 5.2% |
| Age 25 to 34 | 14.1% | 17.8% | 13.8% |
| Age 35 to 44 | 7.5% | 19.1% | 12.9% |
| Age 45 to 54 | 12.0% | 12.6% | 12.6% |
| Age 55 to 59 | 6.4% | 3.5% | 6.7% |
| Age 60 to 64 | 8.1% | 2.8% | 6.3% |
| Age 65 to 74 | 14.0% | 4.1% | 9.6% |
| Age 75 to 84 | 3.0% | 3.1% | 4.5% |
| Age 85 and over | 3.4% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Greensboro, GA | Carnesville, GA | United States |
| White | 36.9% | 88.2% | 59.4% |
| Black | 56.4% | 9.6% | 12.2% |
| Asian | 0.0% | 0.3% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.7% | 1.9% | 3.2% |
| Hispanic | 5.9% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Greensboro, GA | Carnesville, GA | United States |
| Married Population | 29.2% | 44.1% | 49.8% |
| Currently Married | 25.5% | 39.3% | 48.0% |
| Married but Separated | 3.8% | 4.8% | 1.8% |
| Single Population | 70.8% | 55.9% | 50.2% |
| Never Married | 48.7% | 38.6% | 33.8% |
| Divorced | 12.4% | 12.3% | 10.8% |
| Widowed | 9.6% | 5.0% | 5.6% |
| space5 | | | |
| Household Size | 2.25 | 3.49 | 2.60 |
| Households | 1,529 | 318 | 124,010,992 |
| Family Households | 852 | 237 | 80,755,759 |
| Married couple, w/children | 8.1% | 51.5% | 30.5% |
| Married couple, no children | 30.0% | 15.2% | 42.9% |
| Non Family Households | 677 | 81 | 43,255,233 |
| Single householder, w/children | 31.5% | 19.8% | 15.8% |
| Single householder, no children | 30.4% | 13.5% | 10.8% |