| | Falmouth, VA | Spotsylvania Courthouse, VA | United States |
| Population | 4,536 | 5,548 | 329,725,481 |
| Female Population | 52.1% | 52.1% | 50.5% |
| Male Population | 47.9% | 47.9% | 49.5% |
| Median Age | 40.6 | 32 | 38.4 |
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| Population - 2010 | 4,012 | 3,972 | 309,327,143 |
| Population - 2000 | 3,624 | 3,833 | 285,036,114 |
| Population - 1990 | 3,541 | 2,981 | 251,960,433 |
| Pop. 2000 to Now | 49.7% | 17.2% | 15.6% |
| Pop. 1990 to Now | 53.2% | 50.7% | 30.8% |
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| Population Density | 1,454.3 | 530.9 | 93.4 |
| Land Area | 3.1 | 10.5 | 3,531,905.4 |
| Water Area | 0.1 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Falmouth, VA | Spotsylvania Courthouse, VA | United States |
| Age 0 to 4 | 3.8% | 6.4% | 5.9% |
| Age 5 to 9 | 5.0% | 10.6% | 6.1% |
| Age 10 to 14 | 4.7% | 6.7% | 6.6% |
| Age 15 to 17 | 5.9% | 3.6% | 3.9% |
| Age 18 to 20 | 5.7% | 4.5% | 4.0% |
| Age 21 to 24 | 4.7% | 9.2% | 5.2% |
| Age 25 to 34 | 14.7% | 13.8% | 13.8% |
| Age 35 to 44 | 14.1% | 13.6% | 12.9% |
| Age 45 to 54 | 13.3% | 10.0% | 12.6% |
| Age 55 to 59 | 2.9% | 3.8% | 6.7% |
| Age 60 to 64 | 8.7% | 5.0% | 6.3% |
| Age 65 to 74 | 10.2% | 5.3% | 9.6% |
| Age 75 to 84 | 5.4% | 4.7% | 4.5% |
| Age 85 and over | 0.8% | 2.8% | 1.9% |
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| Race | | | |
| | Falmouth, VA | Spotsylvania Courthouse, VA | United States |
| White | 58.3% | 62.9% | 59.4% |
| Black | 20.0% | 14.4% | 12.2% |
| Asian | 2.5% | 1.4% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.3% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 6.7% | 4.3% | 3.2% |
| Hispanic | 12.5% | 16.5% | 18.4% |
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| Marriage & Family | | | |
| | Falmouth, VA | Spotsylvania Courthouse, VA | United States |
| Married Population | 51.6% | 52.1% | 49.8% |
| Currently Married | 50.8% | 51.7% | 48.0% |
| Married but Separated | 0.9% | 0.4% | 1.8% |
| Single Population | 48.4% | 47.9% | 50.2% |
| Never Married | 30.1% | 32.7% | 33.8% |
| Divorced | 13.3% | 9.1% | 10.8% |
| Widowed | 5.0% | 6.0% | 5.6% |
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| Household Size | 2.39 | 3.10 | 2.60 |
| Households | 1,897 | 1,789 | 124,010,992 |
| Family Households | 1,196 | 1,343 | 80,755,759 |
| Married couple, w/children | 40.1% | 36.3% | 30.5% |
| Married couple, no children | 31.4% | 36.0% | 42.9% |
| Non Family Households | 701 | 446 | 43,255,233 |
| Single householder, w/children | 11.0% | 19.5% | 15.8% |
| Single householder, no children | 17.5% | 8.1% | 10.8% |