| | Jackson, TN | Cedar Falls, IA | United States |
| Population | 67,753 | 40,500 | 329,725,481 |
| Female Population | 53.3% | 52.8% | 50.5% |
| Male Population | 46.7% | 47.2% | 49.5% |
| Median Age | 34.5 | 28 | 38.4 |
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| Population - 2010 | 66,813 | 39,354 | 309,327,143 |
| Population - 2000 | 59,643 | 36,145 | 285,036,114 |
| Population - 1990 | 48,949 | 34,298 | 251,960,433 |
| Pop. 2000 to Now | 13.0% | 11.3% | 15.6% |
| Pop. 1990 to Now | 37.7% | 17.3% | 30.8% |
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| Population Density | 1,162.5 | 1,399.8 | 93.4 |
| Land Area | 58.3 | 28.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.9 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Jackson, TN | Cedar Falls, IA | United States |
| Age 0 to 4 | 7.1% | 5.4% | 5.9% |
| Age 5 to 9 | 6.8% | 5.3% | 6.1% |
| Age 10 to 14 | 7.3% | 5.2% | 6.6% |
| Age 15 to 17 | 4.0% | 2.4% | 3.9% |
| Age 18 to 20 | 6.2% | 13.0% | 4.0% |
| Age 21 to 24 | 5.7% | 14.0% | 5.2% |
| Age 25 to 34 | 13.7% | 12.2% | 13.8% |
| Age 35 to 44 | 11.8% | 10.1% | 12.9% |
| Age 45 to 54 | 10.4% | 8.1% | 12.6% |
| Age 55 to 59 | 6.0% | 4.4% | 6.7% |
| Age 60 to 64 | 6.2% | 4.9% | 6.3% |
| Age 65 to 74 | 8.8% | 8.3% | 9.6% |
| Age 75 to 84 | 4.2% | 4.6% | 4.5% |
| Age 85 and over | 1.8% | 2.0% | 1.9% |
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| Race | | | |
| | Jackson, TN | Cedar Falls, IA | United States |
| White | 45.5% | 89.4% | 59.4% |
| Black | 45.7% | 1.3% | 12.2% |
| Asian | 1.3% | 4.4% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.2% | 0.2% |
| Other | 0.7% | 0.0% | 0.4% |
| Two or More Races | 2.5% | 1.9% | 3.2% |
| Hispanic | 4.3% | 2.7% | 18.4% |
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| Marriage & Family | | | |
| | Jackson, TN | Cedar Falls, IA | United States |
| Married Population | 39.3% | 43.7% | 49.8% |
| Currently Married | 36.4% | 43.0% | 48.0% |
| Married but Separated | 3.0% | 0.7% | 1.8% |
| Single Population | 60.7% | 56.3% | 50.2% |
| Never Married | 40.4% | 46.0% | 33.8% |
| Divorced | 13.5% | 6.2% | 10.8% |
| Widowed | 6.8% | 4.0% | 5.6% |
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| Household Size | 2.46 | 2.43 | 2.60 |
| Households | 26,083 | 15,254 | 124,010,992 |
| Family Households | 15,351 | 8,252 | 80,755,759 |
| Married couple, w/children | 22.8% | 32.8% | 30.5% |
| Married couple, no children | 33.9% | 52.4% | 42.9% |
| Non Family Households | 10,732 | 7,002 | 43,255,233 |
| Single householder, w/children | 30.5% | 8.5% | 15.8% |
| Single householder, no children | 12.8% | 6.3% | 10.8% |