| | Henry, TN | Memphis, TN | United States |
| Population | 453 | 634,139 | 329,725,481 |
| Female Population | 45.0% | 52.6% | 50.5% |
| Male Population | 55.0% | 47.4% | 49.5% |
| Median Age | 41.4 | 34.2 | 38.4 |
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| Population - 2010 | 440 | 652,349 | 309,327,143 |
| Population - 2000 | 520 | 650,100 | 285,036,114 |
| Population - 1990 | 317 | 610,337 | 251,960,433 |
| Pop. 2000 to Now | -14.2% | -0.1% | 15.6% |
| Pop. 1990 to Now | 40.7% | 6.5% | 30.8% |
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| Population Density | 314.8 | 1,998.1 | 93.4 |
| Land Area | 1.4 | 317.4 | 3,531,905.4 |
| Water Area | 0.0 | 9.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Henry, TN | Memphis, TN | United States |
| Age 0 to 4 | 5.1% | 7.4% | 5.9% |
| Age 5 to 9 | 4.6% | 6.8% | 6.1% |
| Age 10 to 14 | 4.0% | 6.9% | 6.6% |
| Age 15 to 17 | 1.5% | 3.8% | 3.9% |
| Age 18 to 20 | 8.8% | 4.0% | 4.0% |
| Age 21 to 24 | 2.9% | 6.1% | 5.2% |
| Age 25 to 34 | 17.2% | 16.1% | 13.8% |
| Age 35 to 44 | 13.7% | 12.1% | 12.9% |
| Age 45 to 54 | 11.7% | 11.3% | 12.6% |
| Age 55 to 59 | 12.8% | 5.8% | 6.7% |
| Age 60 to 64 | 7.1% | 6.2% | 6.3% |
| Age 65 to 74 | 6.4% | 8.4% | 9.6% |
| Age 75 to 84 | 4.0% | 3.7% | 4.5% |
| Age 85 and over | 0.2% | 1.4% | 1.9% |
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| Race | | | |
| | Henry, TN | Memphis, TN | United States |
| White | 66.4% | 24.3% | 59.4% |
| Black | 6.8% | 64.4% | 12.2% |
| Asian | 0.4% | 1.7% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 0.4% | 1.5% | 3.2% |
| Hispanic | 25.8% | 7.7% | 18.4% |
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| Marriage & Family | | | |
| | Henry, TN | Memphis, TN | United States |
| Married Population | 47.6% | 34.8% | 49.8% |
| Currently Married | 45.3% | 31.4% | 48.0% |
| Married but Separated | 2.3% | 3.4% | 1.8% |
| Single Population | 52.4% | 65.2% | 50.2% |
| Never Married | 30.9% | 48.1% | 33.8% |
| Divorced | 15.6% | 11.3% | 10.8% |
| Widowed | 5.9% | 5.7% | 5.6% |
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| Household Size | 2.85 | 2.48 | 2.60 |
| Households | 159 | 249,554 | 124,010,992 |
| Family Households | 103 | 137,746 | 80,755,759 |
| Married couple, w/children | 33.0% | 18.9% | 30.5% |
| Married couple, no children | 38.8% | 31.7% | 42.9% |
| Non Family Households | 56 | 111,808 | 43,255,233 |
| Single householder, w/children | 16.5% | 31.5% | 15.8% |
| Single householder, no children | 11.7% | 17.9% | 10.8% |