| | Buena Vista, VA | Morrisville, NC | United States |
| Population | 6,649 | 28,824 | 329,725,481 |
| Female Population | 54.4% | 49.7% | 50.5% |
| Male Population | 45.6% | 50.3% | 49.5% |
| Median Age | 35.9 | 34.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 6,613 | 18,748 | 309,327,143 |
| Population - 2000 | 6,349 | 5,208 | 285,036,114 |
| Population - 1990 | 6,406 | 1,022 | 251,960,433 |
| Pop. 2000 to Now | 0.8% | 485.5% | 15.6% |
| Pop. 1990 to Now | -0.1% | 2,883.9% | 30.8% |
| space4 | | | |
| Population Density | 1,032.8 | 3,321.1 | 93.4 |
| Land Area | 6.4 | 8.7 | 3,531,905.4 |
| Water Area | 0.1 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Buena Vista, VA | Morrisville, NC | United States |
| Age 0 to 4 | 5.2% | 7.5% | 5.9% |
| Age 5 to 9 | 6.6% | 6.9% | 6.1% |
| Age 10 to 14 | 5.2% | 6.0% | 6.6% |
| Age 15 to 17 | 3.5% | 3.7% | 3.9% |
| Age 18 to 20 | 8.5% | 2.7% | 4.0% |
| Age 21 to 24 | 9.5% | 4.8% | 5.2% |
| Age 25 to 34 | 10.9% | 20.7% | 13.8% |
| Age 35 to 44 | 7.0% | 18.5% | 12.9% |
| Age 45 to 54 | 14.0% | 13.2% | 12.6% |
| Age 55 to 59 | 3.4% | 3.7% | 6.7% |
| Age 60 to 64 | 8.1% | 5.6% | 6.3% |
| Age 65 to 74 | 10.1% | 4.0% | 9.6% |
| Age 75 to 84 | 6.2% | 0.8% | 4.5% |
| Age 85 and over | 2.0% | 1.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Buena Vista, VA | Morrisville, NC | United States |
| White | 87.3% | 37.4% | 59.4% |
| Black | 7.5% | 12.2% | 12.2% |
| Asian | 0.7% | 40.9% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.3% | 0.0% | 0.2% |
| Other | 0.5% | 1.3% | 0.4% |
| Two or More Races | 1.8% | 4.4% | 3.2% |
| Hispanic | 1.7% | 3.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Buena Vista, VA | Morrisville, NC | United States |
| Married Population | 48.7% | 59.4% | 49.8% |
| Currently Married | 47.3% | 57.7% | 48.0% |
| Married but Separated | 1.3% | 1.7% | 1.8% |
| Single Population | 51.3% | 40.6% | 50.2% |
| Never Married | 30.0% | 29.0% | 33.8% |
| Divorced | 14.2% | 7.7% | 10.8% |
| Widowed | 7.2% | 3.9% | 5.6% |
| space5 | | | |
| Household Size | 2.37 | 2.66 | 2.60 |
| Households | 2,581 | 10,819 | 124,010,992 |
| Family Households | 1,797 | 7,254 | 80,755,759 |
| Married couple, w/children | 24.3% | 51.4% | 30.5% |
| Married couple, no children | 43.0% | 34.7% | 42.9% |
| Non Family Households | 784 | 3,565 | 43,255,233 |
| Single householder, w/children | 15.0% | 6.1% | 15.8% |
| Single householder, no children | 17.7% | 7.8% | 10.8% |