| | Cleveland, TN | Peachtree City, GA | United States |
| Population | 46,747 | 37,867 | 329,725,481 |
| Female Population | 52.6% | 52.8% | 50.5% |
| Male Population | 47.4% | 47.3% | 49.5% |
| Median Age | 34 | 42.8 | 38.4 |
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| Population - 2010 | 41,308 | 34,538 | 309,327,143 |
| Population - 2000 | 37,192 | 31,580 | 285,036,114 |
| Population - 1990 | 30,354 | 19,027 | 251,960,433 |
| Pop. 2000 to Now | 23.5% | 16.4% | 15.6% |
| Pop. 1990 to Now | 51.4% | 93.2% | 30.8% |
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| Population Density | 1,725.4 | 1,541.9 | 93.4 |
| Land Area | 27.1 | 24.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.9 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Cleveland, TN | Peachtree City, GA | United States |
| Age 0 to 4 | 6.7% | 3.9% | 5.9% |
| Age 5 to 9 | 5.9% | 5.7% | 6.1% |
| Age 10 to 14 | 5.8% | 9.2% | 6.6% |
| Age 15 to 17 | 3.2% | 6.3% | 3.9% |
| Age 18 to 20 | 7.7% | 3.2% | 4.0% |
| Age 21 to 24 | 7.4% | 4.3% | 5.2% |
| Age 25 to 34 | 14.0% | 7.8% | 13.8% |
| Age 35 to 44 | 11.6% | 12.5% | 12.9% |
| Age 45 to 54 | 12.0% | 14.4% | 12.6% |
| Age 55 to 59 | 5.0% | 7.4% | 6.7% |
| Age 60 to 64 | 4.4% | 6.9% | 6.3% |
| Age 65 to 74 | 9.4% | 10.4% | 9.6% |
| Age 75 to 84 | 3.9% | 5.7% | 4.5% |
| Age 85 and over | 3.0% | 2.5% | 1.9% |
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| Race | | | |
| | Cleveland, TN | Peachtree City, GA | United States |
| White | 76.2% | 73.2% | 59.4% |
| Black | 7.6% | 6.9% | 12.2% |
| Asian | 2.2% | 7.7% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.3% | 0.2% |
| Other | 1.7% | 0.6% | 0.4% |
| Two or More Races | 2.5% | 3.4% | 3.2% |
| Hispanic | 9.7% | 8.0% | 18.4% |
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| Marriage & Family | | | |
| | Cleveland, TN | Peachtree City, GA | United States |
| Married Population | 44.8% | 61.9% | 49.8% |
| Currently Married | 42.6% | 60.8% | 48.0% |
| Married but Separated | 2.2% | 1.1% | 1.8% |
| Single Population | 55.2% | 38.1% | 50.2% |
| Never Married | 35.8% | 24.4% | 33.8% |
| Divorced | 11.6% | 7.7% | 10.8% |
| Widowed | 7.8% | 6.0% | 5.6% |
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| Household Size | 2.52 | 2.63 | 2.60 |
| Households | 17,318 | 14,344 | 124,010,992 |
| Family Households | 10,677 | 10,611 | 80,755,759 |
| Married couple, w/children | 26.7% | 37.5% | 30.5% |
| Married couple, no children | 42.6% | 46.0% | 42.9% |
| Non Family Households | 6,641 | 3,733 | 43,255,233 |
| Single householder, w/children | 20.2% | 12.3% | 15.8% |
| Single householder, no children | 10.5% | 4.3% | 10.8% |