| | Munfordville, KY | Wakefield CDP (Fairfax County), VA | United States |
| Population | 1,743 | 11,534 | 329,725,481 |
| Female Population | 43.7% | 51.4% | 50.5% |
| Male Population | 56.3% | 48.6% | 49.5% |
| Median Age | 38 | 42.2 | 38.4 |
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| Population - 2010 | 1,613 | 11,553 | 309,327,143 |
| Population - 2000 | 1,563 | 11,127 | 285,036,114 |
| Population - 1990 | 1,556 | 11,540 | 251,960,433 |
| Pop. 2000 to Now | 6.2% | 12.3% | 15.6% |
| Pop. 1990 to Now | 6.7% | 8.3% | 30.8% |
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| Population Density | 778.1 | 3,057.0 | 93.4 |
| Land Area | 2.2 | 3.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Munfordville, KY | Wakefield CDP (Fairfax County), VA | United States |
| Age 0 to 4 | 6.5% | 5.5% | 5.9% |
| Age 5 to 9 | 2.5% | 9.1% | 6.1% |
| Age 10 to 14 | 11.9% | 6.0% | 6.6% |
| Age 15 to 17 | 1.7% | 4.8% | 3.9% |
| Age 18 to 20 | 3.6% | 3.4% | 4.0% |
| Age 21 to 24 | 5.2% | 4.3% | 5.2% |
| Age 25 to 34 | 15.7% | 6.1% | 13.8% |
| Age 35 to 44 | 7.1% | 15.0% | 12.9% |
| Age 45 to 54 | 13.2% | 12.5% | 12.6% |
| Age 55 to 59 | 9.6% | 7.3% | 6.7% |
| Age 60 to 64 | 5.9% | 8.3% | 6.3% |
| Age 65 to 74 | 10.5% | 9.1% | 9.6% |
| Age 75 to 84 | 5.1% | 6.4% | 4.5% |
| Age 85 and over | 1.6% | 2.2% | 1.9% |
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| Race | | | |
| | Munfordville, KY | Wakefield CDP (Fairfax County), VA | United States |
| White | 81.9% | 61.7% | 59.4% |
| Black | 6.9% | 5.1% | 12.2% |
| Asian | 2.2% | 21.2% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 3.3% | 4.5% | 3.2% |
| Hispanic | 5.7% | 7.1% | 18.4% |
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| Marriage & Family | | | |
| | Munfordville, KY | Wakefield CDP (Fairfax County), VA | United States |
| Married Population | 34.5% | 68.1% | 49.8% |
| Currently Married | 30.6% | 67.7% | 48.0% |
| Married but Separated | 3.9% | 0.5% | 1.8% |
| Single Population | 65.5% | 31.9% | 50.2% |
| Never Married | 25.7% | 23.0% | 33.8% |
| Divorced | 28.5% | 4.5% | 10.8% |
| Widowed | 11.4% | 4.4% | 5.6% |
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| Household Size | 2.26 | 3.15 | 2.60 |
| Households | 702 | 3,655 | 124,010,992 |
| Family Households | 376 | 3,178 | 80,755,759 |
| Married couple, w/children | 27.9% | 44.7% | 30.5% |
| Married couple, no children | 25.8% | 45.0% | 42.9% |
| Non Family Households | 326 | 477 | 43,255,233 |
| Single householder, w/children | 28.7% | 5.3% | 15.8% |
| Single householder, no children | 17.6% | 5.1% | 10.8% |