| | Lexington, VA | Grottoes, VA | United States |
| Population | 7,287 | 2,886 | 329,725,481 |
| Female Population | 40.6% | 56.2% | 50.5% |
| Male Population | 59.4% | 43.8% | 49.5% |
| Median Age | 22.4 | 39 | 38.4 |
| space3 | | | |
| Population - 2010 | 7,045 | 2,666 | 309,327,143 |
| Population - 2000 | 6,867 | 2,114 | 285,036,114 |
| Population - 1990 | 6,959 | 1,455 | 251,960,433 |
| Pop. 2000 to Now | 6.0% | 35.5% | 15.6% |
| Pop. 1990 to Now | 4.6% | 96.8% | 30.8% |
| space4 | | | |
| Population Density | 2,916.0 | 1,411.9 | 93.4 |
| Land Area | 2.5 | 2.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Lexington, VA | Grottoes, VA | United States |
| Age 0 to 4 | 3.2% | 6.0% | 5.9% |
| Age 5 to 9 | 1.3% | 3.8% | 6.1% |
| Age 10 to 14 | 1.3% | 6.4% | 6.6% |
| Age 15 to 17 | 2.4% | 5.5% | 3.9% |
| Age 18 to 20 | 29.5% | 1.4% | 4.0% |
| Age 21 to 24 | 18.5% | 5.9% | 5.2% |
| Age 25 to 34 | 10.8% | 14.8% | 13.8% |
| Age 35 to 44 | 5.1% | 11.9% | 12.9% |
| Age 45 to 54 | 6.6% | 14.8% | 12.6% |
| Age 55 to 59 | 2.8% | 8.6% | 6.7% |
| Age 60 to 64 | 4.8% | 5.8% | 6.3% |
| Age 65 to 74 | 8.6% | 8.4% | 9.6% |
| Age 75 to 84 | 3.5% | 5.7% | 4.5% |
| Age 85 and over | 1.6% | 1.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Lexington, VA | Grottoes, VA | United States |
| White | 80.0% | 88.7% | 59.4% |
| Black | 5.3% | 2.7% | 12.2% |
| Asian | 4.0% | 0.1% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.6% | 0.8% | 0.4% |
| Two or More Races | 4.5% | 2.8% | 3.2% |
| Hispanic | 5.6% | 4.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Lexington, VA | Grottoes, VA | United States |
| Married Population | 27.0% | 52.0% | 49.8% |
| Currently Married | 26.2% | 50.3% | 48.0% |
| Married but Separated | 0.8% | 1.7% | 1.8% |
| Single Population | 73.0% | 48.0% | 50.2% |
| Never Married | 63.6% | 27.6% | 33.8% |
| Divorced | 6.2% | 17.3% | 10.8% |
| Widowed | 3.2% | 3.1% | 5.6% |
| space5 | | | |
| Household Size | 2.15 | 2.50 | 2.60 |
| Households | 2,005 | 1,156 | 124,010,992 |
| Family Households | 907 | 758 | 80,755,759 |
| Married couple, w/children | 32.1% | 30.6% | 30.5% |
| Married couple, no children | 54.9% | 49.2% | 42.9% |
| Non Family Households | 1,098 | 398 | 43,255,233 |
| Single householder, w/children | 5.3% | 18.7% | 15.8% |
| Single householder, no children | 7.7% | 1.5% | 10.8% |