| | King William, VA | Yadkinville, NC | United States |
| Population | 245 | 2,801 | 329,725,481 |
| Female Population | 47.4% | 45.8% | 50.5% |
| Male Population | 52.7% | 54.2% | 49.5% |
| Median Age | 21.9 | 37.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 214 | 2,972 | 309,327,143 |
| Population - 2000 | 214 | 2,818 | 285,036,114 |
| Population - 1990 | 200 | 2,525 | 251,960,433 |
| Pop. 2000 to Now | 39.7% | 2.0% | 15.6% |
| Pop. 1990 to Now | 49.5% | 13.8% | 30.8% |
| space4 | | | |
| Population Density | 53.1 | 983.8 | 93.4 |
| Land Area | 4.6 | 2.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | King William, VA | Yadkinville, NC | United States |
| Age 0 to 4 | 13.5% | 6.2% | 5.9% |
| Age 5 to 9 | 4.9% | 12.0% | 6.1% |
| Age 10 to 14 | 13.9% | 3.6% | 6.6% |
| Age 15 to 17 | 0.0% | 5.5% | 3.9% |
| Age 18 to 20 | 4.1% | 2.3% | 4.0% |
| Age 21 to 24 | 19.2% | 4.8% | 5.2% |
| Age 25 to 34 | 9.4% | 13.0% | 13.8% |
| Age 35 to 44 | 15.5% | 11.6% | 12.9% |
| Age 45 to 54 | 9.8% | 7.8% | 12.6% |
| Age 55 to 59 | 0.8% | 9.1% | 6.7% |
| Age 60 to 64 | 3.3% | 4.2% | 6.3% |
| Age 65 to 74 | 3.3% | 9.4% | 9.6% |
| Age 75 to 84 | 2.4% | 5.4% | 4.5% |
| Age 85 and over | 0.0% | 5.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | King William, VA | Yadkinville, NC | United States |
| White | 67.8% | 67.0% | 59.4% |
| Black | 32.2% | 5.5% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 0.0% | 1.7% | 3.2% |
| Hispanic | 0.0% | 25.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | King William, VA | Yadkinville, NC | United States |
| Married Population | 39.2% | 46.7% | 49.8% |
| Currently Married | 39.2% | 43.9% | 48.0% |
| Married but Separated | 0.0% | 2.8% | 1.8% |
| Single Population | 60.8% | 53.3% | 50.2% |
| Never Married | 43.4% | 28.3% | 33.8% |
| Divorced | 17.5% | 11.2% | 10.8% |
| Widowed | 0.0% | 13.8% | 5.6% |
| space5 | | | |
| Household Size | 3.83 | 2.57 | 2.60 |
| Households | 64 | 987 | 124,010,992 |
| Family Households | 48 | 569 | 80,755,759 |
| Married couple, w/children | 43.8% | 34.8% | 30.5% |
| Married couple, no children | 25.0% | 35.9% | 42.9% |
| Non Family Households | 16 | 418 | 43,255,233 |
| Single householder, w/children | 18.8% | 22.3% | 15.8% |
| Single householder, no children | 12.5% | 7.0% | 10.8% |