| | Gloucester Courthouse, VA | Kings Bay Base, GA | United States |
| Population | 3,198 | 2,787 | 329,725,481 |
| Female Population | 52.7% | 26.4% | 50.5% |
| Male Population | 47.3% | 73.6% | 49.5% |
| Median Age | 43.4 | 21.9 | 38.4 |
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| Population - 2010 | 2,555 | 1,774 | 309,327,143 |
| Population - 2000 | 2,269 | 2,599 | 285,036,114 |
| Population - 1990 | 2,118 | 3,463 | 251,960,433 |
| Pop. 2000 to Now | 5.4% | -20.2% | 15.6% |
| Pop. 1990 to Now | 12.9% | -40.1% | 30.8% |
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| Population Density | 458.6 | 1,016.0 | 93.4 |
| Land Area | 7.0 | 2.7 | 3,531,905.4 |
| Water Area | 0.2 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Gloucester Courthouse, VA | Kings Bay Base, GA | United States |
| Age 0 to 4 | 13.7% | 5.8% | 5.9% |
| Age 5 to 9 | 5.7% | 6.5% | 6.1% |
| Age 10 to 14 | 4.9% | 5.7% | 6.6% |
| Age 15 to 17 | 3.0% | 1.2% | 3.9% |
| Age 18 to 20 | 0.8% | 19.9% | 4.0% |
| Age 21 to 24 | 0.7% | 29.9% | 5.2% |
| Age 25 to 34 | 9.4% | 18.9% | 13.8% |
| Age 35 to 44 | 17.4% | 10.2% | 12.9% |
| Age 45 to 54 | 6.0% | 1.0% | 12.6% |
| Age 55 to 59 | 5.0% | 0.5% | 6.7% |
| Age 60 to 64 | 7.9% | 0.1% | 6.3% |
| Age 65 to 74 | 7.0% | 0.1% | 9.6% |
| Age 75 to 84 | 11.1% | 0.0% | 4.5% |
| Age 85 and over | 7.2% | 0.0% | 1.9% |
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| Race | | | |
| | Gloucester Courthouse, VA | Kings Bay Base, GA | United States |
| White | 87.5% | 69.8% | 59.4% |
| Black | 8.1% | 9.4% | 12.2% |
| Asian | 1.4% | 0.2% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 1.1% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.9% | 4.6% | 3.2% |
| Hispanic | 2.1% | 14.7% | 18.4% |
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| Marriage & Family | | | |
| | Gloucester Courthouse, VA | Kings Bay Base, GA | United States |
| Married Population | 58.5% | 34.3% | 49.8% |
| Currently Married | 56.5% | 30.7% | 48.0% |
| Married but Separated | 2.0% | 3.6% | 1.8% |
| Single Population | 41.5% | 65.7% | 50.2% |
| Never Married | 17.6% | 58.6% | 33.8% |
| Divorced | 13.3% | 6.5% | 10.8% |
| Widowed | 10.6% | 0.6% | 5.6% |
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| Household Size | 2.48 | 2.48 | 2.60 |
| Households | 1,205 | 637 | 124,010,992 |
| Family Households | 760 | 420 | 80,755,759 |
| Married couple, w/children | 29.9% | 50.2% | 30.5% |
| Married couple, no children | 51.6% | 23.3% | 42.9% |
| Non Family Households | 445 | 217 | 43,255,233 |
| Single householder, w/children | 11.1% | 26.4% | 15.8% |
| Single householder, no children | 7.5% | 0.0% | 10.8% |