| | Westlake Corner, VA | Union Hall, VA | United States |
| Population | 1,691 | 1,081 | 329,725,481 |
| Female Population | 63.6% | 49.6% | 50.5% |
| Male Population | 36.4% | 50.4% | 49.5% |
| Median Age | 58.3 | 59.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 929 | 1,464 | 309,327,143 |
| Population - 2000 | 899 | 957 | 285,036,114 |
| Population - 1990 | 567 | 764 | 251,960,433 |
| Pop. 2000 to Now | 36.6% | 31.9% | 15.6% |
| Pop. 1990 to Now | 116.6% | 65.2% | 30.8% |
| space4 | | | |
| Population Density | 167.9 | 74.6 | 93.4 |
| Land Area | 10.1 | 14.5 | 3,531,905.4 |
| Water Area | 1.4 | 3.5 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Westlake Corner, VA | Union Hall, VA | United States |
| Age 0 to 4 | 0.7% | 3.1% | 5.9% |
| Age 5 to 9 | 3.5% | 0.8% | 6.1% |
| Age 10 to 14 | 2.5% | 1.7% | 6.6% |
| Age 15 to 17 | 3.4% | 0.0% | 3.9% |
| Age 18 to 20 | 1.5% | 2.2% | 4.0% |
| Age 21 to 24 | 4.8% | 2.8% | 5.2% |
| Age 25 to 34 | 3.5% | 5.3% | 13.8% |
| Age 35 to 44 | 2.7% | 10.3% | 12.9% |
| Age 45 to 54 | 17.7% | 11.7% | 12.6% |
| Age 55 to 59 | 16.4% | 13.3% | 6.7% |
| Age 60 to 64 | 15.7% | 10.9% | 6.3% |
| Age 65 to 74 | 13.1% | 28.0% | 9.6% |
| Age 75 to 84 | 7.5% | 8.4% | 4.5% |
| Age 85 and over | 7.1% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Westlake Corner, VA | Union Hall, VA | United States |
| White | 98.4% | 91.8% | 59.4% |
| Black | 0.0% | 4.1% | 12.2% |
| Asian | 0.0% | 0.8% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.6% | 3.3% | 3.2% |
| Hispanic | 0.0% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Westlake Corner, VA | Union Hall, VA | United States |
| Married Population | 55.2% | 68.2% | 49.8% |
| Currently Married | 53.8% | 66.5% | 48.0% |
| Married but Separated | 1.4% | 1.7% | 1.8% |
| Single Population | 44.8% | 31.8% | 50.2% |
| Never Married | 11.0% | 15.0% | 33.8% |
| Divorced | 18.4% | 7.5% | 10.8% |
| Widowed | 15.5% | 9.3% | 5.6% |
| space5 | | | |
| Household Size | 2.52 | 2.14 | 2.60 |
| Households | 670 | 506 | 124,010,992 |
| Family Households | 453 | 403 | 80,755,759 |
| Married couple, w/children | 15.0% | 6.0% | 30.5% |
| Married couple, no children | 69.3% | 79.7% | 42.9% |
| Non Family Households | 217 | 103 | 43,255,233 |
| Single householder, w/children | 7.7% | 4.5% | 15.8% |
| Single householder, no children | 7.9% | 9.9% | 10.8% |