| | Fort Oglethorpe, GA | Sandy Springs, GA | United States |
| Population | 10,196 | 106,605 | 329,725,481 |
| Female Population | 57.5% | 51.6% | 50.5% |
| Male Population | 42.5% | 48.4% | 49.5% |
| Median Age | 44.7 | 36.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 9,273 | 94,282 | 309,327,143 |
| Population - 2000 | 6,940 | 85,781 | 285,036,114 |
| Population - 1990 | 5,880 | 67,842 | 251,960,433 |
| Pop. 2000 to Now | 43.7% | 28.2% | 15.6% |
| Pop. 1990 to Now | 69.6% | 62.0% | 30.8% |
| space4 | | | |
| Population Density | 733.6 | 2,831.0 | 93.4 |
| Land Area | 13.9 | 37.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.9 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Fort Oglethorpe, GA | Sandy Springs, GA | United States |
| Age 0 to 4 | 4.7% | 5.3% | 5.9% |
| Age 5 to 9 | 4.3% | 4.9% | 6.1% |
| Age 10 to 14 | 4.3% | 5.4% | 6.6% |
| Age 15 to 17 | 2.3% | 3.5% | 3.9% |
| Age 18 to 20 | 4.0% | 2.3% | 4.0% |
| Age 21 to 24 | 5.6% | 5.4% | 5.2% |
| Age 25 to 34 | 12.2% | 19.7% | 13.8% |
| Age 35 to 44 | 12.8% | 15.2% | 12.9% |
| Age 45 to 54 | 13.6% | 13.4% | 12.6% |
| Age 55 to 59 | 4.2% | 6.2% | 6.7% |
| Age 60 to 64 | 3.9% | 5.2% | 6.3% |
| Age 65 to 74 | 11.2% | 7.1% | 9.6% |
| Age 75 to 84 | 9.2% | 3.8% | 4.5% |
| Age 85 and over | 7.6% | 2.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Fort Oglethorpe, GA | Sandy Springs, GA | United States |
| White | 85.0% | 58.6% | 59.4% |
| Black | 4.9% | 19.2% | 12.2% |
| Asian | 2.4% | 7.4% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 5.4% | 3.0% | 3.2% |
| Hispanic | 2.2% | 11.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Fort Oglethorpe, GA | Sandy Springs, GA | United States |
| Married Population | 46.9% | 47.3% | 49.8% |
| Currently Married | 44.2% | 45.8% | 48.0% |
| Married but Separated | 2.7% | 1.5% | 1.8% |
| Single Population | 53.1% | 52.7% | 50.2% |
| Never Married | 25.7% | 38.3% | 33.8% |
| Divorced | 18.6% | 10.1% | 10.8% |
| Widowed | 8.8% | 4.3% | 5.6% |
| space5 | | | |
| Household Size | 2.09 | 2.13 | 2.60 |
| Households | 4,746 | 49,941 | 124,010,992 |
| Family Households | 2,448 | 25,236 | 80,755,759 |
| Married couple, w/children | 17.4% | 32.1% | 30.5% |
| Married couple, no children | 57.6% | 44.4% | 42.9% |
| Non Family Households | 2,298 | 24,705 | 43,255,233 |
| Single householder, w/children | 15.9% | 13.4% | 15.8% |
| Single householder, no children | 9.1% | 10.1% | 10.8% |