| | Trion, GA | Summerville, GA | United States |
| Population | 2,627 | 4,389 | 329,725,481 |
| Female Population | 49.6% | 53.8% | 50.5% |
| Male Population | 50.4% | 46.2% | 49.5% |
| Median Age | 27.8 | 40.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,835 | 4,502 | 309,327,143 |
| Population - 2000 | 1,993 | 4,556 | 285,036,114 |
| Population - 1990 | 1,661 | 5,025 | 251,960,433 |
| Pop. 2000 to Now | -4.4% | -7.0% | 15.6% |
| Pop. 1990 to Now | 14.7% | -15.7% | 30.8% |
| space4 | | | |
| Population Density | 685.2 | 1,093.4 | 93.4 |
| Land Area | 3.8 | 4.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Trion, GA | Summerville, GA | United States |
| Age 0 to 4 | 10.0% | 8.4% | 5.9% |
| Age 5 to 9 | 10.4% | 7.1% | 6.1% |
| Age 10 to 14 | 7.2% | 6.3% | 6.6% |
| Age 15 to 17 | 5.7% | 2.9% | 3.9% |
| Age 18 to 20 | 7.8% | 1.9% | 4.0% |
| Age 21 to 24 | 5.8% | 3.2% | 5.2% |
| Age 25 to 34 | 6.3% | 10.0% | 13.8% |
| Age 35 to 44 | 19.1% | 11.1% | 12.9% |
| Age 45 to 54 | 7.1% | 13.0% | 12.6% |
| Age 55 to 59 | 3.9% | 8.2% | 6.7% |
| Age 60 to 64 | 2.9% | 9.9% | 6.3% |
| Age 65 to 74 | 7.3% | 10.3% | 9.6% |
| Age 75 to 84 | 2.6% | 3.3% | 4.5% |
| Age 85 and over | 3.8% | 4.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Trion, GA | Summerville, GA | United States |
| White | 52.2% | 75.7% | 59.4% |
| Black | 4.3% | 19.2% | 12.2% |
| Asian | 0.0% | 0.2% | 5.6% |
| Native American | 0.2% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.5% | 3.3% | 3.2% |
| Hispanic | 41.0% | 1.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Trion, GA | Summerville, GA | United States |
| Married Population | 47.2% | 36.0% | 49.8% |
| Currently Married | 44.5% | 34.0% | 48.0% |
| Married but Separated | 2.7% | 2.0% | 1.8% |
| Single Population | 52.8% | 64.0% | 50.2% |
| Never Married | 34.2% | 30.1% | 33.8% |
| Divorced | 9.5% | 24.9% | 10.8% |
| Widowed | 9.1% | 9.0% | 5.6% |
| space5 | | | |
| Household Size | 3.33 | 2.22 | 2.60 |
| Households | 789 | 1,889 | 124,010,992 |
| Family Households | 530 | 1,052 | 80,755,759 |
| Married couple, w/children | 38.3% | 16.5% | 30.5% |
| Married couple, no children | 29.1% | 32.9% | 42.9% |
| Non Family Households | 259 | 837 | 43,255,233 |
| Single householder, w/children | 25.8% | 35.2% | 15.8% |
| Single householder, no children | 6.8% | 15.4% | 10.8% |