| | Bloomfield charter, MI | Allen, TX | United States |
| Population | 44,043 | 102,778 | 329,725,481 |
| Female Population | 51.9% | 49.7% | 50.5% |
| Male Population | 48.1% | 50.3% | 49.5% |
| Median Age | 47.6 | 37.7 | 38.4 |
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| Population - 2010 | 40,942 | 84,923 | 309,327,143 |
| Population - 2000 | 43,023 | 43,554 | 285,036,114 |
| Population - 1990 | 42,473 | 18,309 | 251,960,433 |
| Pop. 2000 to Now | -3.0% | 151.1% | 15.6% |
| Pop. 1990 to Now | -1.8% | 497.4% | 30.8% |
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| Population Density | 1,788.0 | 3,894.7 | 93.4 |
| Land Area | 24.6 | 26.4 | 3,531,905.4 |
| Water Area | 1.4 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Bloomfield charter, MI | Allen, TX | United States |
| Age 0 to 4 | 4.9% | 5.5% | 5.9% |
| Age 5 to 9 | 6.8% | 8.1% | 6.1% |
| Age 10 to 14 | 7.8% | 8.6% | 6.6% |
| Age 15 to 17 | 4.5% | 4.5% | 3.9% |
| Age 18 to 20 | 2.3% | 3.6% | 4.0% |
| Age 21 to 24 | 2.7% | 4.5% | 5.2% |
| Age 25 to 34 | 7.0% | 11.5% | 13.8% |
| Age 35 to 44 | 11.1% | 14.7% | 12.9% |
| Age 45 to 54 | 14.9% | 17.2% | 12.6% |
| Age 55 to 59 | 8.1% | 7.3% | 6.7% |
| Age 60 to 64 | 6.4% | 4.6% | 6.3% |
| Age 65 to 74 | 13.4% | 6.4% | 9.6% |
| Age 75 to 84 | 7.3% | 2.7% | 4.5% |
| Age 85 and over | 2.8% | 0.7% | 1.9% |
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| Race | | | |
| | Bloomfield charter, MI | Allen, TX | United States |
| White | 78.3% | 54.6% | 59.4% |
| Black | 6.2% | 9.5% | 12.2% |
| Asian | 7.7% | 19.1% | 5.6% |
| Native American | 0.2% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.8% | 0.7% | 0.4% |
| Two or More Races | 4.1% | 4.8% | 3.2% |
| Hispanic | 2.7% | 11.2% | 18.4% |
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| Marriage & Family | | | |
| | Bloomfield charter, MI | Allen, TX | United States |
| Married Population | 64.7% | 60.5% | 49.8% |
| Currently Married | 64.6% | 60.1% | 48.0% |
| Married but Separated | 0.1% | 0.4% | 1.8% |
| Single Population | 35.3% | 39.5% | 50.2% |
| Never Married | 20.6% | 26.8% | 33.8% |
| Divorced | 7.8% | 9.2% | 10.8% |
| Widowed | 6.9% | 3.5% | 5.6% |
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| Household Size | 2.57 | 3.04 | 2.60 |
| Households | 17,062 | 33,786 | 124,010,992 |
| Family Households | 12,345 | 26,642 | 80,755,759 |
| Married couple, w/children | 36.7% | 48.7% | 30.5% |
| Married couple, no children | 52.5% | 35.8% | 42.9% |
| Non Family Households | 4,717 | 7,144 | 43,255,233 |
| Single householder, w/children | 5.7% | 9.2% | 15.8% |
| Single householder, no children | 5.1% | 6.3% | 10.8% |