| | Fairfield Glade, TN | Trenton, GA | United States |
| Population | 8,798 | 2,095 | 329,725,481 |
| Female Population | 52.4% | 52.8% | 50.5% |
| Male Population | 47.6% | 47.2% | 49.5% |
| Median Age | 70.2 | 40.8 | 38.4 |
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| Population - 2010 | 6,261 | 2,296 | 309,327,143 |
| Population - 2000 | 4,885 | 1,942 | 285,036,114 |
| Population - 1990 | 2,209 | 1,994 | 251,960,433 |
| Pop. 2000 to Now | 77.9% | 10.9% | 15.6% |
| Pop. 1990 to Now | 293.4% | 8.0% | 30.8% |
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| Population Density | 387.1 | 651.4 | 93.4 |
| Land Area | 22.7 | 3.2 | 3,531,905.4 |
| Water Area | 0.8 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Fairfield Glade, TN | Trenton, GA | United States |
| Age 0 to 4 | 1.1% | 8.1% | 5.9% |
| Age 5 to 9 | 0.9% | 6.8% | 6.1% |
| Age 10 to 14 | 2.7% | 6.0% | 6.6% |
| Age 15 to 17 | 0.0% | 1.7% | 3.9% |
| Age 18 to 20 | 0.9% | 4.3% | 4.0% |
| Age 21 to 24 | 0.7% | 4.0% | 5.2% |
| Age 25 to 34 | 2.4% | 13.4% | 13.8% |
| Age 35 to 44 | 2.4% | 12.2% | 12.9% |
| Age 45 to 54 | 4.3% | 14.9% | 12.6% |
| Age 55 to 59 | 4.7% | 6.6% | 6.7% |
| Age 60 to 64 | 10.6% | 6.2% | 6.3% |
| Age 65 to 74 | 38.4% | 9.6% | 9.6% |
| Age 75 to 84 | 23.1% | 4.7% | 4.5% |
| Age 85 and over | 7.8% | 1.6% | 1.9% |
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| Race | | | |
| | Fairfield Glade, TN | Trenton, GA | United States |
| White | 95.0% | 86.3% | 59.4% |
| Black | 0.0% | 1.1% | 12.2% |
| Asian | 0.5% | 0.3% | 5.6% |
| Native American | 0.2% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 1.5% | 0.4% |
| Two or More Races | 2.3% | 2.3% | 3.2% |
| Hispanic | 1.9% | 8.3% | 18.4% |
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| Marriage & Family | | | |
| | Fairfield Glade, TN | Trenton, GA | United States |
| Married Population | 77.8% | 51.9% | 49.8% |
| Currently Married | 77.8% | 48.1% | 48.0% |
| Married but Separated | 0.0% | 3.8% | 1.8% |
| Single Population | 22.2% | 48.1% | 50.2% |
| Never Married | 4.1% | 23.3% | 33.8% |
| Divorced | 9.6% | 18.0% | 10.8% |
| Widowed | 8.5% | 6.9% | 5.6% |
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| Household Size | 1.92 | 2.33 | 2.60 |
| Households | 4,588 | 855 | 124,010,992 |
| Family Households | 3,401 | 557 | 80,755,759 |
| Married couple, w/children | 2.6% | 25.7% | 30.5% |
| Married couple, no children | 88.0% | 42.5% | 42.9% |
| Non Family Households | 1,187 | 298 | 43,255,233 |
| Single householder, w/children | 5.0% | 22.8% | 15.8% |
| Single householder, no children | 4.3% | 9.0% | 10.8% |