| | Collegedale, TN | Warner Robins, GA | United States |
| Population | 10,973 | 79,589 | 329,725,481 |
| Female Population | 53.9% | 52.5% | 50.5% |
| Male Population | 46.1% | 47.5% | 49.5% |
| Median Age | 32.8 | 33 | 38.4 |
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| Population - 2010 | 8,581 | 70,314 | 309,327,143 |
| Population - 2000 | 6,514 | 48,804 | 285,036,114 |
| Population - 1990 | 5,048 | 43,726 | 251,960,433 |
| Pop. 2000 to Now | 75.0% | 61.1% | 15.6% |
| Pop. 1990 to Now | 125.8% | 79.8% | 30.8% |
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| Population Density | 889.2 | 2,183.5 | 93.4 |
| Land Area | 12.3 | 36.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Collegedale, TN | Warner Robins, GA | United States |
| Age 0 to 4 | 2.8% | 7.8% | 5.9% |
| Age 5 to 9 | 4.0% | 8.2% | 6.1% |
| Age 10 to 14 | 4.5% | 6.7% | 6.6% |
| Age 15 to 17 | 3.2% | 4.2% | 3.9% |
| Age 18 to 20 | 14.5% | 3.1% | 4.0% |
| Age 21 to 24 | 8.4% | 5.6% | 5.2% |
| Age 25 to 34 | 15.5% | 17.6% | 13.8% |
| Age 35 to 44 | 9.0% | 12.5% | 12.9% |
| Age 45 to 54 | 11.7% | 11.5% | 12.6% |
| Age 55 to 59 | 7.0% | 5.6% | 6.7% |
| Age 60 to 64 | 5.1% | 5.7% | 6.3% |
| Age 65 to 74 | 7.3% | 6.6% | 9.6% |
| Age 75 to 84 | 3.8% | 3.6% | 4.5% |
| Age 85 and over | 3.2% | 1.2% | 1.9% |
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| Race | | | |
| | Collegedale, TN | Warner Robins, GA | United States |
| White | 66.7% | 43.9% | 59.4% |
| Black | 10.9% | 40.2% | 12.2% |
| Asian | 4.9% | 4.0% | 5.6% |
| Native American | 0.1% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.7% | 4.5% | 3.2% |
| Hispanic | 13.6% | 7.2% | 18.4% |
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| Marriage & Family | | | |
| | Collegedale, TN | Warner Robins, GA | United States |
| Married Population | 42.5% | 45.3% | 49.8% |
| Currently Married | 40.9% | 42.9% | 48.0% |
| Married but Separated | 1.6% | 2.4% | 1.8% |
| Single Population | 57.5% | 54.7% | 50.2% |
| Never Married | 42.9% | 36.9% | 33.8% |
| Divorced | 9.0% | 12.9% | 10.8% |
| Widowed | 5.7% | 4.9% | 5.6% |
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| Household Size | 2.25 | 2.61 | 2.60 |
| Households | 4,032 | 30,355 | 124,010,992 |
| Family Households | 2,349 | 19,773 | 80,755,759 |
| Married couple, w/children | 26.1% | 29.0% | 30.5% |
| Married couple, no children | 50.3% | 34.4% | 42.9% |
| Non Family Households | 1,683 | 10,582 | 43,255,233 |
| Single householder, w/children | 11.7% | 24.4% | 15.8% |
| Single householder, no children | 11.9% | 12.2% | 10.8% |