| | Frankenmuth, MI | Birmingham, MI | United States |
| Population | 5,045 | 21,728 | 329,725,481 |
| Female Population | 54.5% | 50.8% | 50.5% |
| Male Population | 45.5% | 49.2% | 49.5% |
| Median Age | 46.8 | 42.3 | 38.4 |
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| Population - 2010 | 4,976 | 20,111 | 309,327,143 |
| Population - 2000 | 4,838 | 19,291 | 285,036,114 |
| Population - 1990 | 4,408 | 19,997 | 251,960,433 |
| Pop. 2000 to Now | 16.9% | 10.5% | 15.6% |
| Pop. 1990 to Now | 28.3% | 6.6% | 30.8% |
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| Population Density | 1,667.2 | 4,531.4 | 93.4 |
| Land Area | 3.0 | 4.8 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Frankenmuth, MI | Birmingham, MI | United States |
| Age 0 to 4 | 5.6% | 6.8% | 5.9% |
| Age 5 to 9 | 3.9% | 6.4% | 6.1% |
| Age 10 to 14 | 6.7% | 7.5% | 6.6% |
| Age 15 to 17 | 3.2% | 5.2% | 3.9% |
| Age 18 to 20 | 2.4% | 2.1% | 4.0% |
| Age 21 to 24 | 6.9% | 1.8% | 5.2% |
| Age 25 to 34 | 10.6% | 9.8% | 13.8% |
| Age 35 to 44 | 8.1% | 13.9% | 12.9% |
| Age 45 to 54 | 12.8% | 15.4% | 12.6% |
| Age 55 to 59 | 6.7% | 6.6% | 6.7% |
| Age 60 to 64 | 4.3% | 7.6% | 6.3% |
| Age 65 to 74 | 14.0% | 10.0% | 9.6% |
| Age 75 to 84 | 6.5% | 4.2% | 4.5% |
| Age 85 and over | 8.3% | 2.5% | 1.9% |
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| Race | | | |
| | Frankenmuth, MI | Birmingham, MI | United States |
| White | 88.4% | 87.2% | 59.4% |
| Black | 4.5% | 2.2% | 12.2% |
| Asian | 0.4% | 4.3% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 0.2% | 3.5% | 3.2% |
| Hispanic | 6.5% | 2.6% | 18.4% |
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| Marriage & Family | | | |
| | Frankenmuth, MI | Birmingham, MI | United States |
| Married Population | 55.0% | 59.2% | 49.8% |
| Currently Married | 54.8% | 58.8% | 48.0% |
| Married but Separated | 0.3% | 0.4% | 1.8% |
| Single Population | 45.0% | 40.8% | 50.2% |
| Never Married | 23.9% | 24.9% | 33.8% |
| Divorced | 9.2% | 10.7% | 10.8% |
| Widowed | 11.9% | 5.1% | 5.6% |
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| Household Size | 2.09 | 2.32 | 2.60 |
| Households | 2,317 | 9,383 | 124,010,992 |
| Family Households | 1,215 | 5,628 | 80,755,759 |
| Married couple, w/children | 38.7% | 41.4% | 30.5% |
| Married couple, no children | 50.5% | 44.9% | 42.9% |
| Non Family Households | 1,102 | 3,755 | 43,255,233 |
| Single householder, w/children | 4.7% | 9.2% | 15.8% |
| Single householder, no children | 6.1% | 4.5% | 10.8% |