| | Williamsburg, KY | Macon, MO | United States |
| Population | 5,272 | 5,459 | 329,725,481 |
| Female Population | 50.7% | 52.4% | 50.5% |
| Male Population | 49.3% | 47.6% | 49.5% |
| Median Age | 25.4 | 41.5 | 38.4 |
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| Population - 2010 | 5,148 | 5,481 | 309,327,143 |
| Population - 2000 | 5,143 | 5,538 | 285,036,114 |
| Population - 1990 | 5,493 | 5,571 | 251,960,433 |
| Pop. 2000 to Now | 4.7% | -3.6% | 15.6% |
| Pop. 1990 to Now | -2.0% | -4.1% | 30.8% |
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| Population Density | 1,265.8 | 910.0 | 93.4 |
| Land Area | 4.2 | 6.0 | 3,531,905.4 |
| Water Area | 0.1 | 0.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Williamsburg, KY | Macon, MO | United States |
| Age 0 to 4 | 6.7% | 5.9% | 5.9% |
| Age 5 to 9 | 3.3% | 4.7% | 6.1% |
| Age 10 to 14 | 4.2% | 8.8% | 6.6% |
| Age 15 to 17 | 3.5% | 5.2% | 3.9% |
| Age 18 to 20 | 23.2% | 2.2% | 4.0% |
| Age 21 to 24 | 8.8% | 4.5% | 5.2% |
| Age 25 to 34 | 11.7% | 12.0% | 13.8% |
| Age 35 to 44 | 7.4% | 9.2% | 12.9% |
| Age 45 to 54 | 11.1% | 12.3% | 12.6% |
| Age 55 to 59 | 3.9% | 5.4% | 6.7% |
| Age 60 to 64 | 4.5% | 8.8% | 6.3% |
| Age 65 to 74 | 4.4% | 12.3% | 9.6% |
| Age 75 to 84 | 3.7% | 4.5% | 4.5% |
| Age 85 and over | 3.6% | 4.4% | 1.9% |
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| Race | | | |
| | Williamsburg, KY | Macon, MO | United States |
| White | 89.6% | 86.7% | 59.4% |
| Black | 4.8% | 3.6% | 12.2% |
| Asian | 1.1% | 1.2% | 5.6% |
| Native American | 0.0% | 1.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 1.3% | 4.7% | 3.2% |
| Hispanic | 3.2% | 2.5% | 18.4% |
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| Marriage & Family | | | |
| | Williamsburg, KY | Macon, MO | United States |
| Married Population | 32.4% | 51.8% | 49.8% |
| Currently Married | 30.8% | 51.0% | 48.0% |
| Married but Separated | 1.6% | 0.8% | 1.8% |
| Single Population | 67.6% | 48.2% | 50.2% |
| Never Married | 51.1% | 27.5% | 33.8% |
| Divorced | 10.8% | 13.0% | 10.8% |
| Widowed | 5.7% | 7.7% | 5.6% |
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| Household Size | 2.57 | 2.32 | 2.60 |
| Households | 1,473 | 2,268 | 124,010,992 |
| Family Households | 927 | 1,293 | 80,755,759 |
| Married couple, w/children | 30.3% | 35.7% | 30.5% |
| Married couple, no children | 42.7% | 44.4% | 42.9% |
| Non Family Households | 546 | 975 | 43,255,233 |
| Single householder, w/children | 17.7% | 18.0% | 15.8% |
| Single householder, no children | 9.3% | 1.9% | 10.8% |