| | Ferguson, MO | Dearborn, MI | United States |
| Population | 18,826 | 107,985 | 329,725,481 |
| Female Population | 55.3% | 50.3% | 50.5% |
| Male Population | 44.7% | 49.8% | 49.5% |
| Median Age | 34.2 | 32.1 | 38.4 |
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| Population - 2010 | 21,181 | 97,850 | 309,327,143 |
| Population - 2000 | 22,406 | 97,775 | 285,036,114 |
| Population - 1990 | 22,286 | 89,286 | 251,960,433 |
| Pop. 2000 to Now | -8.7% | -4.5% | 15.6% |
| Pop. 1990 to Now | -8.2% | 4.6% | 30.8% |
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| Population Density | 3,041.4 | 4,455.9 | 93.4 |
| Land Area | 6.2 | 24.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Ferguson, MO | Dearborn, MI | United States |
| Age 0 to 4 | 8.6% | 7.0% | 5.9% |
| Age 5 to 9 | 6.4% | 7.4% | 6.1% |
| Age 10 to 14 | 7.4% | 9.2% | 6.6% |
| Age 15 to 17 | 4.9% | 5.5% | 3.9% |
| Age 18 to 20 | 5.1% | 4.5% | 4.0% |
| Age 21 to 24 | 3.3% | 6.0% | 5.2% |
| Age 25 to 34 | 16.1% | 14.5% | 13.8% |
| Age 35 to 44 | 12.8% | 12.0% | 12.9% |
| Age 45 to 54 | 10.5% | 11.4% | 12.6% |
| Age 55 to 59 | 6.2% | 5.1% | 6.7% |
| Age 60 to 64 | 5.1% | 4.9% | 6.3% |
| Age 65 to 74 | 9.6% | 7.6% | 9.6% |
| Age 75 to 84 | 2.5% | 3.1% | 4.5% |
| Age 85 and over | 1.5% | 1.9% | 1.9% |
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| Race | | | |
| | Ferguson, MO | Dearborn, MI | United States |
| White | 21.5% | 86.7% | 59.4% |
| Black | 70.6% | 3.2% | 12.2% |
| Asian | 0.4% | 2.3% | 5.6% |
| Native American | 0.4% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 1.2% | 0.5% | 0.4% |
| Two or More Races | 4.5% | 4.1% | 3.2% |
| Hispanic | 1.4% | 3.1% | 18.4% |
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| Marriage & Family | | | |
| | Ferguson, MO | Dearborn, MI | United States |
| Married Population | 36.5% | 50.2% | 49.8% |
| Currently Married | 31.5% | 49.3% | 48.0% |
| Married but Separated | 5.0% | 0.9% | 1.8% |
| Single Population | 63.5% | 49.8% | 50.2% |
| Never Married | 45.1% | 35.8% | 33.8% |
| Divorced | 13.6% | 9.1% | 10.8% |
| Widowed | 4.8% | 4.8% | 5.6% |
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| Household Size | 2.33 | 3.08 | 2.60 |
| Households | 8,004 | 34,949 | 124,010,992 |
| Family Households | 4,802 | 23,348 | 80,755,759 |
| Married couple, w/children | 12.6% | 43.2% | 30.5% |
| Married couple, no children | 29.9% | 34.3% | 42.9% |
| Non Family Households | 3,202 | 11,601 | 43,255,233 |
| Single householder, w/children | 41.3% | 11.8% | 15.8% |
| Single householder, no children | 16.2% | 10.7% | 10.8% |