| | Allen Park, MI | Dandridge, TN | United States |
| Population | 28,431 | 3,250 | 329,725,481 |
| Female Population | 51.9% | 45.8% | 50.5% |
| Male Population | 48.2% | 54.3% | 49.5% |
| Median Age | 43.1 | 46.2 | 38.4 |
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| Population - 2010 | 28,147 | 2,969 | 309,327,143 |
| Population - 2000 | 29,376 | 2,078 | 285,036,114 |
| Population - 1990 | 31,092 | 1,540 | 251,960,433 |
| Pop. 2000 to Now | -8.9% | 53.1% | 15.6% |
| Pop. 1990 to Now | -14.0% | 106.6% | 30.8% |
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| Population Density | 4,064.5 | 554.3 | 93.4 |
| Land Area | 7.0 | 5.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Allen Park, MI | Dandridge, TN | United States |
| Age 0 to 4 | 4.9% | 4.4% | 5.9% |
| Age 5 to 9 | 4.8% | 2.6% | 6.1% |
| Age 10 to 14 | 6.9% | 4.7% | 6.6% |
| Age 15 to 17 | 4.3% | 4.0% | 3.9% |
| Age 18 to 20 | 2.2% | 4.2% | 4.0% |
| Age 21 to 24 | 3.7% | 3.8% | 5.2% |
| Age 25 to 34 | 13.3% | 12.4% | 13.8% |
| Age 35 to 44 | 12.6% | 12.3% | 12.9% |
| Age 45 to 54 | 15.5% | 12.1% | 12.6% |
| Age 55 to 59 | 7.6% | 9.6% | 6.7% |
| Age 60 to 64 | 6.7% | 7.9% | 6.3% |
| Age 65 to 74 | 9.7% | 5.7% | 9.6% |
| Age 75 to 84 | 4.8% | 13.6% | 4.5% |
| Age 85 and over | 2.9% | 2.8% | 1.9% |
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| Race | | | |
| | Allen Park, MI | Dandridge, TN | United States |
| White | 80.3% | 88.9% | 59.4% |
| Black | 4.4% | 4.4% | 12.2% |
| Asian | 1.2% | 0.2% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 3.6% | 0.4% |
| Two or More Races | 2.9% | 1.6% | 3.2% |
| Hispanic | 10.6% | 1.3% | 18.4% |
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| Marriage & Family | | | |
| | Allen Park, MI | Dandridge, TN | United States |
| Married Population | 50.3% | 52.4% | 49.8% |
| Currently Married | 49.5% | 50.4% | 48.0% |
| Married but Separated | 0.8% | 2.1% | 1.8% |
| Single Population | 49.7% | 47.6% | 50.2% |
| Never Married | 29.1% | 20.5% | 33.8% |
| Divorced | 13.4% | 15.1% | 10.8% |
| Widowed | 7.2% | 12.0% | 5.6% |
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| Household Size | 2.40 | 2.20 | 2.60 |
| Households | 11,796 | 1,216 | 124,010,992 |
| Family Households | 7,560 | 786 | 80,755,759 |
| Married couple, w/children | 28.8% | 24.7% | 30.5% |
| Married couple, no children | 46.0% | 62.0% | 42.9% |
| Non Family Households | 4,236 | 430 | 43,255,233 |
| Single householder, w/children | 14.6% | 4.8% | 15.8% |
| Single householder, no children | 10.5% | 8.5% | 10.8% |