| | Christiansburg, VA | Richmond, VA | United States |
| Population | 23,174 | 225,676 | 329,725,481 |
| Female Population | 50.3% | 52.5% | 50.5% |
| Male Population | 49.7% | 47.5% | 49.5% |
| Median Age | 37.9 | 34.4 | 38.4 |
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| Population - 2010 | 21,004 | 204,375 | 309,327,143 |
| Population - 2000 | 16,947 | 197,790 | 285,036,114 |
| Population - 1990 | 15,004 | 203,056 | 251,960,433 |
| Pop. 2000 to Now | 32.2% | 17.4% | 15.6% |
| Pop. 1990 to Now | 49.3% | 14.4% | 30.8% |
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| Population Density | 1,643.3 | 3,766.7 | 93.4 |
| Land Area | 14.1 | 59.9 | 3,531,905.4 |
| Water Area | 0.0 | 2.7 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Christiansburg, VA | Richmond, VA | United States |
| Age 0 to 4 | 6.2% | 5.7% | 5.9% |
| Age 5 to 9 | 5.6% | 4.9% | 6.1% |
| Age 10 to 14 | 6.5% | 4.4% | 6.6% |
| Age 15 to 17 | 3.6% | 2.4% | 3.9% |
| Age 18 to 20 | 2.3% | 5.3% | 4.0% |
| Age 21 to 24 | 3.7% | 6.4% | 5.2% |
| Age 25 to 34 | 16.6% | 21.8% | 13.8% |
| Age 35 to 44 | 14.9% | 12.6% | 12.9% |
| Age 45 to 54 | 14.2% | 10.7% | 12.6% |
| Age 55 to 59 | 4.7% | 6.2% | 6.7% |
| Age 60 to 64 | 5.6% | 6.2% | 6.3% |
| Age 65 to 74 | 9.5% | 8.3% | 9.6% |
| Age 75 to 84 | 5.3% | 3.2% | 4.5% |
| Age 85 and over | 1.4% | 1.7% | 1.9% |
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| Race | | | |
| | Christiansburg, VA | Richmond, VA | United States |
| White | 84.1% | 41.4% | 59.4% |
| Black | 5.9% | 45.0% | 12.2% |
| Asian | 3.7% | 2.1% | 5.6% |
| Native American | 0.2% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.2% | 0.0% | 0.2% |
| Other | 0.4% | 0.4% | 0.4% |
| Two or More Races | 2.7% | 3.6% | 3.2% |
| Hispanic | 2.9% | 7.3% | 18.4% |
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| Marriage & Family | | | |
| | Christiansburg, VA | Richmond, VA | United States |
| Married Population | 53.4% | 32.2% | 49.8% |
| Currently Married | 51.7% | 29.4% | 48.0% |
| Married but Separated | 1.8% | 2.8% | 1.8% |
| Single Population | 46.6% | 67.8% | 50.2% |
| Never Married | 29.5% | 51.2% | 33.8% |
| Divorced | 11.8% | 11.4% | 10.8% |
| Widowed | 5.3% | 5.2% | 5.6% |
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| Household Size | 2.39 | 2.19 | 2.60 |
| Households | 9,572 | 98,821 | 124,010,992 |
| Family Households | 5,659 | 43,875 | 80,755,759 |
| Married couple, w/children | 33.7% | 19.9% | 30.5% |
| Married couple, no children | 47.1% | 37.4% | 42.9% |
| Non Family Households | 3,913 | 54,946 | 43,255,233 |
| Single householder, w/children | 14.2% | 24.4% | 15.8% |
| Single householder, no children | 5.1% | 18.3% | 10.8% |