| | College Park, GA | Forest Park, GA | United States |
| Population | 14,032 | 19,856 | 329,725,481 |
| Female Population | 54.3% | 50.4% | 50.5% |
| Male Population | 45.7% | 49.6% | 49.5% |
| Median Age | 32.1 | 30.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 14,668 | 18,492 | 309,327,143 |
| Population - 2000 | 20,382 | 21,447 | 285,036,114 |
| Population - 1990 | 20,457 | 16,925 | 251,960,433 |
| Pop. 2000 to Now | -25.4% | -7.4% | 15.6% |
| Pop. 1990 to Now | -25.7% | 17.4% | 30.8% |
| space4 | | | |
| Population Density | 1,265.6 | 2,133.0 | 93.4 |
| Land Area | 11.1 | 9.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | College Park, GA | Forest Park, GA | United States |
| Age 0 to 4 | 6.7% | 6.8% | 5.9% |
| Age 5 to 9 | 7.5% | 10.9% | 6.1% |
| Age 10 to 14 | 9.0% | 7.0% | 6.6% |
| Age 15 to 17 | 3.5% | 4.3% | 3.9% |
| Age 18 to 20 | 2.9% | 3.2% | 4.0% |
| Age 21 to 24 | 5.2% | 6.8% | 5.2% |
| Age 25 to 34 | 19.6% | 15.9% | 13.8% |
| Age 35 to 44 | 11.7% | 11.4% | 12.9% |
| Age 45 to 54 | 14.1% | 10.0% | 12.6% |
| Age 55 to 59 | 6.6% | 5.2% | 6.7% |
| Age 60 to 64 | 5.2% | 5.3% | 6.3% |
| Age 65 to 74 | 5.5% | 7.5% | 9.6% |
| Age 75 to 84 | 2.0% | 4.2% | 4.5% |
| Age 85 and over | 0.4% | 1.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | College Park, GA | Forest Park, GA | United States |
| White | 10.1% | 16.1% | 59.4% |
| Black | 81.4% | 51.9% | 12.2% |
| Asian | 1.4% | 5.5% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.1% | 0.4% |
| Two or More Races | 2.7% | 3.2% | 3.2% |
| Hispanic | 3.9% | 23.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | College Park, GA | Forest Park, GA | United States |
| Married Population | 31.1% | 33.5% | 49.8% |
| Currently Married | 27.7% | 29.8% | 48.0% |
| Married but Separated | 3.4% | 3.6% | 1.8% |
| Single Population | 68.9% | 66.5% | 50.2% |
| Never Married | 52.7% | 48.4% | 33.8% |
| Divorced | 12.4% | 10.5% | 10.8% |
| Widowed | 3.8% | 7.7% | 5.6% |
| space5 | | | |
| Household Size | 2.32 | 2.67 | 2.60 |
| Households | 6,053 | 7,276 | 124,010,992 |
| Family Households | 3,181 | 4,042 | 80,755,759 |
| Married couple, w/children | 19.4% | 25.7% | 30.5% |
| Married couple, no children | 22.7% | 20.3% | 42.9% |
| Non Family Households | 2,872 | 3,234 | 43,255,233 |
| Single householder, w/children | 38.8% | 36.9% | 15.8% |
| Single householder, no children | 19.1% | 17.1% | 10.8% |