| | Dublin, OH | Northville, MI | United States |
| Population | 48,613 | 6,106 | 329,725,481 |
| Female Population | 49.1% | 53.2% | 50.5% |
| Male Population | 51.0% | 46.8% | 49.5% |
| Median Age | 40.5 | 50.4 | 38.4 |
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| Population - 2010 | 41,522 | 5,971 | 309,327,143 |
| Population - 2000 | 31,392 | 6,459 | 285,036,114 |
| Population - 1990 | 16,366 | 6,226 | 251,960,433 |
| Pop. 2000 to Now | 57.3% | -8.3% | 15.6% |
| Pop. 1990 to Now | 201.7% | -4.8% | 30.8% |
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| Population Density | 1,976.2 | 2,994.6 | 93.4 |
| Land Area | 24.6 | 2.0 | 3,531,905.4 |
| Water Area | 0.4 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Dublin, OH | Northville, MI | United States |
| Age 0 to 4 | 5.6% | 4.9% | 5.9% |
| Age 5 to 9 | 8.0% | 3.9% | 6.1% |
| Age 10 to 14 | 9.2% | 6.4% | 6.6% |
| Age 15 to 17 | 5.6% | 3.4% | 3.9% |
| Age 18 to 20 | 2.4% | 1.6% | 4.0% |
| Age 21 to 24 | 2.2% | 2.4% | 5.2% |
| Age 25 to 34 | 8.3% | 9.5% | 13.8% |
| Age 35 to 44 | 15.9% | 8.6% | 12.9% |
| Age 45 to 54 | 17.2% | 14.8% | 12.6% |
| Age 55 to 59 | 7.0% | 9.2% | 6.7% |
| Age 60 to 64 | 5.6% | 12.0% | 6.3% |
| Age 65 to 74 | 8.8% | 13.6% | 9.6% |
| Age 75 to 84 | 2.9% | 6.9% | 4.5% |
| Age 85 and over | 1.2% | 2.8% | 1.9% |
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| Race | | | |
| | Dublin, OH | Northville, MI | United States |
| White | 70.6% | 92.1% | 59.4% |
| Black | 2.3% | 0.0% | 12.2% |
| Asian | 19.6% | 3.5% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 0.4% | 0.0% | 0.4% |
| Two or More Races | 3.1% | 0.3% | 3.2% |
| Hispanic | 3.8% | 4.1% | 18.4% |
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| Marriage & Family | | | |
| | Dublin, OH | Northville, MI | United States |
| Married Population | 70.4% | 56.4% | 49.8% |
| Currently Married | 69.7% | 56.2% | 48.0% |
| Married but Separated | 0.7% | 0.2% | 1.8% |
| Single Population | 29.6% | 43.6% | 50.2% |
| Never Married | 20.0% | 18.2% | 33.8% |
| Divorced | 6.2% | 16.9% | 10.8% |
| Widowed | 3.4% | 8.6% | 5.6% |
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| Household Size | 2.79 | 2.29 | 2.60 |
| Households | 17,344 | 2,652 | 124,010,992 |
| Family Households | 13,923 | 1,797 | 80,755,759 |
| Married couple, w/children | 48.8% | 25.5% | 30.5% |
| Married couple, no children | 42.1% | 52.5% | 42.9% |
| Non Family Households | 3,421 | 855 | 43,255,233 |
| Single householder, w/children | 7.4% | 9.9% | 15.8% |
| Single householder, no children | 1.7% | 12.1% | 10.8% |