| | Spring City, TN | Lynchburg, VA | United States |
| Population | 2,372 | 78,973 | 329,725,481 |
| Female Population | 45.7% | 53.2% | 50.5% |
| Male Population | 54.3% | 46.8% | 49.5% |
| Median Age | 48.3 | 28.6 | 38.4 |
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| Population - 2010 | 1,863 | 75,553 | 309,327,143 |
| Population - 2000 | 2,025 | 65,269 | 285,036,114 |
| Population - 1990 | 2,199 | 66,049 | 251,960,433 |
| Pop. 2000 to Now | -9.2% | 25.0% | 15.6% |
| Pop. 1990 to Now | -16.4% | 23.5% | 30.8% |
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| Population Density | 889.1 | 1,612.6 | 93.4 |
| Land Area | 2.7 | 49.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Spring City, TN | Lynchburg, VA | United States |
| Age 0 to 4 | 5.9% | 5.8% | 5.9% |
| Age 5 to 9 | 6.2% | 4.9% | 6.1% |
| Age 10 to 14 | 7.4% | 5.4% | 6.6% |
| Age 15 to 17 | 3.0% | 3.1% | 3.9% |
| Age 18 to 20 | 3.2% | 12.2% | 4.0% |
| Age 21 to 24 | 1.6% | 12.7% | 5.2% |
| Age 25 to 34 | 11.0% | 14.4% | 13.8% |
| Age 35 to 44 | 8.7% | 9.1% | 12.9% |
| Age 45 to 54 | 13.3% | 8.7% | 12.6% |
| Age 55 to 59 | 9.0% | 5.0% | 6.7% |
| Age 60 to 64 | 9.7% | 4.9% | 6.3% |
| Age 65 to 74 | 12.4% | 7.7% | 9.6% |
| Age 75 to 84 | 6.3% | 4.4% | 4.5% |
| Age 85 and over | 2.4% | 1.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Spring City, TN | Lynchburg, VA | United States |
| White | 95.5% | 61.9% | 59.4% |
| Black | 2.7% | 28.2% | 12.2% |
| Asian | 0.0% | 2.5% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.2% | 0.4% |
| Two or More Races | 0.8% | 2.5% | 3.2% |
| Hispanic | 0.8% | 4.5% | 18.4% |
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| Marriage & Family | | | |
| | Spring City, TN | Lynchburg, VA | United States |
| Married Population | 54.2% | 39.1% | 49.8% |
| Currently Married | 52.4% | 37.3% | 48.0% |
| Married but Separated | 1.8% | 1.8% | 1.8% |
| Single Population | 45.8% | 60.9% | 50.2% |
| Never Married | 18.7% | 47.5% | 33.8% |
| Divorced | 19.5% | 8.8% | 10.8% |
| Widowed | 7.6% | 4.6% | 5.6% |
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| Household Size | 2.33 | 2.38 | 2.60 |
| Households | 975 | 28,939 | 124,010,992 |
| Family Households | 579 | 17,001 | 80,755,759 |
| Married couple, w/children | 32.8% | 24.2% | 30.5% |
| Married couple, no children | 43.7% | 43.6% | 42.9% |
| Non Family Households | 396 | 11,938 | 43,255,233 |
| Single householder, w/children | 10.9% | 18.7% | 15.8% |
| Single householder, no children | 12.6% | 13.5% | 10.8% |