| | Shelby township, MI | Troy, OH | United States |
| Population | 4,086 | 26,093 | 329,725,481 |
| Female Population | 52.6% | 50.4% | 50.5% |
| Male Population | 47.5% | 49.6% | 49.5% |
| Median Age | 34.1 | 37.6 | 38.4 |
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| Population - 2010 | 4,058 | 25,230 | 309,327,143 |
| Population - 2000 | 3,951 | 21,999 | 285,036,114 |
| Population - 1990 | 3,692 | 19,478 | 251,960,433 |
| Pop. 2000 to Now | 3.1% | 20.3% | 15.6% |
| Pop. 1990 to Now | 10.4% | 35.9% | 30.8% |
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| Population Density | 114.5 | 2,171.2 | 93.4 |
| Land Area | 35.7 | 12.0 | 3,531,905.4 |
| Water Area | 0.4 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Shelby township, MI | Troy, OH | United States |
| Age 0 to 4 | 6.8% | 6.2% | 5.9% |
| Age 5 to 9 | 11.1% | 7.1% | 6.1% |
| Age 10 to 14 | 6.5% | 7.6% | 6.6% |
| Age 15 to 17 | 4.3% | 4.7% | 3.9% |
| Age 18 to 20 | 4.3% | 4.2% | 4.0% |
| Age 21 to 24 | 5.5% | 3.4% | 5.2% |
| Age 25 to 34 | 13.1% | 12.4% | 13.8% |
| Age 35 to 44 | 13.0% | 15.1% | 12.9% |
| Age 45 to 54 | 9.7% | 13.5% | 12.6% |
| Age 55 to 59 | 5.0% | 5.0% | 6.7% |
| Age 60 to 64 | 6.7% | 5.3% | 6.3% |
| Age 65 to 74 | 9.8% | 8.3% | 9.6% |
| Age 75 to 84 | 3.7% | 5.6% | 4.5% |
| Age 85 and over | 0.5% | 1.5% | 1.9% |
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| Race | | | |
| | Shelby township, MI | Troy, OH | United States |
| White | 58.7% | 85.2% | 59.4% |
| Black | 1.2% | 2.8% | 12.2% |
| Asian | 0.0% | 4.8% | 5.6% |
| Native American | 1.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 1.0% | 3.9% | 3.2% |
| Hispanic | 37.8% | 3.3% | 18.4% |
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| Marriage & Family | | | |
| | Shelby township, MI | Troy, OH | United States |
| Married Population | 50.6% | 52.9% | 49.8% |
| Currently Married | 49.7% | 51.9% | 48.0% |
| Married but Separated | 0.9% | 1.0% | 1.8% |
| Single Population | 49.4% | 47.1% | 50.2% |
| Never Married | 29.6% | 28.3% | 33.8% |
| Divorced | 15.7% | 12.4% | 10.8% |
| Widowed | 4.1% | 6.3% | 5.6% |
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| Household Size | 2.90 | 2.49 | 2.60 |
| Households | 1,393 | 10,359 | 124,010,992 |
| Family Households | 995 | 6,761 | 80,755,759 |
| Married couple, w/children | 29.2% | 37.3% | 30.5% |
| Married couple, no children | 38.8% | 37.9% | 42.9% |
| Non Family Households | 398 | 3,598 | 43,255,233 |
| Single householder, w/children | 24.8% | 16.7% | 15.8% |
| Single householder, no children | 7.1% | 8.1% | 10.8% |