| | Oconee, GA | Fairburn, GA | United States |
| Population | 260 | 16,215 | 329,725,481 |
| Female Population | 46.5% | 54.7% | 50.5% |
| Male Population | 53.5% | 45.3% | 49.5% |
| Median Age | 55.6 | 29.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 249 | 13,165 | 309,327,143 |
| Population - 2000 | 280 | 5,464 | 285,036,114 |
| Population - 1990 | 234 | 4,013 | 251,960,433 |
| Pop. 2000 to Now | -14.3% | 213.6% | 15.6% |
| Pop. 1990 to Now | 2.6% | 327.0% | 30.8% |
| space4 | | | |
| Population Density | 200.3 | 958.6 | 93.4 |
| Land Area | 1.3 | 16.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Oconee, GA | Fairburn, GA | United States |
| Age 0 to 4 | 1.2% | 16.0% | 5.9% |
| Age 5 to 9 | 2.3% | 8.1% | 6.1% |
| Age 10 to 14 | 6.9% | 8.5% | 6.6% |
| Age 15 to 17 | 3.1% | 3.9% | 3.9% |
| Age 18 to 20 | 3.5% | 3.6% | 4.0% |
| Age 21 to 24 | 3.1% | 2.3% | 5.2% |
| Age 25 to 34 | 3.1% | 16.2% | 13.8% |
| Age 35 to 44 | 12.3% | 14.6% | 12.9% |
| Age 45 to 54 | 10.4% | 11.4% | 12.6% |
| Age 55 to 59 | 13.5% | 4.5% | 6.7% |
| Age 60 to 64 | 13.1% | 4.3% | 6.3% |
| Age 65 to 74 | 13.1% | 4.6% | 9.6% |
| Age 75 to 84 | 11.5% | 1.4% | 4.5% |
| Age 85 and over | 3.1% | 0.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Oconee, GA | Fairburn, GA | United States |
| White | 70.8% | 10.3% | 59.4% |
| Black | 20.4% | 69.3% | 12.2% |
| Asian | 0.0% | 0.5% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 5.0% | 2.2% | 3.2% |
| Hispanic | 3.8% | 17.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Oconee, GA | Fairburn, GA | United States |
| Married Population | 61.8% | 30.9% | 49.8% |
| Currently Married | 61.8% | 29.8% | 48.0% |
| Married but Separated | 0.0% | 1.1% | 1.8% |
| Single Population | 38.2% | 69.1% | 50.2% |
| Never Married | 22.3% | 46.8% | 33.8% |
| Divorced | 6.0% | 17.7% | 10.8% |
| Widowed | 9.9% | 4.5% | 5.6% |
| space5 | | | |
| Household Size | 2.43 | 2.86 | 2.60 |
| Households | 92 | 5,642 | 124,010,992 |
| Family Households | 79 | 3,657 | 80,755,759 |
| Married couple, w/children | 17.7% | 28.0% | 30.5% |
| Married couple, no children | 75.9% | 15.2% | 42.9% |
| Non Family Households | 13 | 1,985 | 43,255,233 |
| Single householder, w/children | 6.3% | 35.3% | 15.8% |
| Single householder, no children | 0.0% | 21.4% | 10.8% |