| | Fort Leonard Wood, MO | Nashville, NC | United States |
| Population | 15,629 | 5,626 | 329,725,481 |
| Female Population | 36.9% | 58.7% | 50.5% |
| Male Population | 63.1% | 41.3% | 49.5% |
| Median Age | 20.8 | 39.4 | 38.4 |
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| Population - 2010 | 15,235 | 5,575 | 309,327,143 |
| Population - 2000 | 13,666 | 4,309 | 285,036,114 |
| Population - 1990 | 15,863 | 3,617 | 251,960,433 |
| Pop. 2000 to Now | 18.0% | 29.3% | 15.6% |
| Pop. 1990 to Now | 1.6% | 54.1% | 30.8% |
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| Population Density | 678.6 | 1,209.4 | 93.4 |
| Land Area | 23.0 | 4.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Fort Leonard Wood, MO | Nashville, NC | United States |
| Age 0 to 4 | 5.6% | 7.9% | 5.9% |
| Age 5 to 9 | 5.9% | 6.7% | 6.1% |
| Age 10 to 14 | 3.6% | 8.5% | 6.6% |
| Age 15 to 17 | 4.4% | 3.3% | 3.9% |
| Age 18 to 20 | 32.1% | 2.2% | 4.0% |
| Age 21 to 24 | 15.2% | 4.7% | 5.2% |
| Age 25 to 34 | 19.8% | 12.9% | 13.8% |
| Age 35 to 44 | 8.7% | 10.7% | 12.9% |
| Age 45 to 54 | 4.0% | 11.9% | 12.6% |
| Age 55 to 59 | 0.5% | 7.9% | 6.7% |
| Age 60 to 64 | 0.1% | 7.3% | 6.3% |
| Age 65 to 74 | 0.0% | 10.2% | 9.6% |
| Age 75 to 84 | 0.0% | 3.1% | 4.5% |
| Age 85 and over | 0.0% | 2.5% | 1.9% |
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| Race | | | |
| | Fort Leonard Wood, MO | Nashville, NC | United States |
| White | 48.4% | 41.3% | 59.4% |
| Black | 15.4% | 53.0% | 12.2% |
| Asian | 4.6% | 0.5% | 5.6% |
| Native American | 2.5% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.4% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 5.4% | 5.2% | 3.2% |
| Hispanic | 23.3% | 0.0% | 18.4% |
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| Marriage & Family | | | |
| | Fort Leonard Wood, MO | Nashville, NC | United States |
| Married Population | 32.5% | 44.0% | 49.8% |
| Currently Married | 32.2% | 40.1% | 48.0% |
| Married but Separated | 0.3% | 3.8% | 1.8% |
| Single Population | 67.5% | 56.0% | 50.2% |
| Never Married | 64.2% | 42.3% | 33.8% |
| Divorced | 3.1% | 9.0% | 10.8% |
| Widowed | 0.2% | 4.7% | 5.6% |
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| Household Size | 3.13 | 2.48 | 2.60 |
| Households | 2,103 | 2,237 | 124,010,992 |
| Family Households | 1,413 | 1,550 | 80,755,759 |
| Married couple, w/children | 71.6% | 15.8% | 30.5% |
| Married couple, no children | 15.3% | 38.0% | 42.9% |
| Non Family Households | 690 | 687 | 43,255,233 |
| Single householder, w/children | 11.7% | 37.1% | 15.8% |
| Single householder, no children | 1.4% | 9.1% | 10.8% |