| | Kingston Springs, TN | Charleston, TN | United States |
| Population | 2,811 | 611 | 329,725,481 |
| Female Population | 50.3% | 53.0% | 50.5% |
| Male Population | 49.7% | 47.0% | 49.5% |
| Median Age | 42 | 49.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,739 | 652 | 309,327,143 |
| Population - 2000 | 2,773 | 630 | 285,036,114 |
| Population - 1990 | 1,529 | 653 | 251,960,433 |
| Pop. 2000 to Now | -2.1% | 12.1% | 15.6% |
| Pop. 1990 to Now | 77.5% | 8.1% | 30.8% |
| space4 | | | |
| Population Density | 279.6 | 588.6 | 93.4 |
| Land Area | 10.1 | 1.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Kingston Springs, TN | Charleston, TN | United States |
| Age 0 to 4 | 5.8% | 2.1% | 5.9% |
| Age 5 to 9 | 5.4% | 6.9% | 6.1% |
| Age 10 to 14 | 5.2% | 6.5% | 6.6% |
| Age 15 to 17 | 4.2% | 3.1% | 3.9% |
| Age 18 to 20 | 4.2% | 2.1% | 4.0% |
| Age 21 to 24 | 4.9% | 3.6% | 5.2% |
| Age 25 to 34 | 11.6% | 8.3% | 13.8% |
| Age 35 to 44 | 13.7% | 9.3% | 12.9% |
| Age 45 to 54 | 12.6% | 14.9% | 12.6% |
| Age 55 to 59 | 5.8% | 10.3% | 6.7% |
| Age 60 to 64 | 7.2% | 14.6% | 6.3% |
| Age 65 to 74 | 12.9% | 9.7% | 9.6% |
| Age 75 to 84 | 4.8% | 4.7% | 4.5% |
| Age 85 and over | 1.6% | 3.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Kingston Springs, TN | Charleston, TN | United States |
| White | 91.2% | 73.8% | 59.4% |
| Black | 1.4% | 11.8% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 0.0% | 0.4% |
| Two or More Races | 3.5% | 9.2% | 3.2% |
| Hispanic | 3.5% | 5.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Kingston Springs, TN | Charleston, TN | United States |
| Married Population | 55.4% | 61.2% | 49.8% |
| Currently Married | 55.0% | 61.2% | 48.0% |
| Married but Separated | 0.4% | 0.0% | 1.8% |
| Single Population | 44.6% | 38.8% | 50.2% |
| Never Married | 29.2% | 17.1% | 33.8% |
| Divorced | 8.8% | 9.3% | 10.8% |
| Widowed | 6.6% | 12.4% | 5.6% |
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| Household Size | 2.58 | 2.38 | 2.60 |
| Households | 1,090 | 257 | 124,010,992 |
| Family Households | 843 | 156 | 80,755,759 |
| Married couple, w/children | 25.4% | 27.6% | 30.5% |
| Married couple, no children | 47.2% | 51.9% | 42.9% |
| Non Family Households | 247 | 101 | 43,255,233 |
| Single householder, w/children | 17.8% | 9.0% | 15.8% |
| Single householder, no children | 9.6% | 11.5% | 10.8% |