| | Dexter township, MI | Chelsea, MI | United States |
| Population | 6,719 | 5,447 | 329,725,481 |
| Female Population | 46.4% | 54.3% | 50.5% |
| Male Population | 53.7% | 45.8% | 49.5% |
| Median Age | 47.5 | 48.7 | 38.4 |
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| Population - 2010 | 6,042 | 4,951 | 309,327,143 |
| Population - 2000 | 5,248 | 4,398 | 285,036,114 |
| Population - 1990 | 4,407 | 3,772 | 251,960,433 |
| Pop. 2000 to Now | 23.9% | 22.3% | 15.6% |
| Pop. 1990 to Now | 47.6% | 42.6% | 30.8% |
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| Population Density | 221.3 | 1,506.4 | 93.4 |
| Land Area | 30.4 | 3.6 | 3,531,905.4 |
| Water Area | 2.8 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Dexter township, MI | Chelsea, MI | United States |
| Age 0 to 4 | 3.6% | 4.4% | 5.9% |
| Age 5 to 9 | 5.6% | 6.9% | 6.1% |
| Age 10 to 14 | 7.0% | 3.4% | 6.6% |
| Age 15 to 17 | 6.3% | 3.7% | 3.9% |
| Age 18 to 20 | 4.4% | 5.0% | 4.0% |
| Age 21 to 24 | 2.7% | 0.9% | 5.2% |
| Age 25 to 34 | 6.1% | 9.8% | 13.8% |
| Age 35 to 44 | 11.4% | 11.1% | 12.9% |
| Age 45 to 54 | 16.2% | 11.6% | 12.6% |
| Age 55 to 59 | 8.6% | 4.5% | 6.7% |
| Age 60 to 64 | 9.0% | 7.8% | 6.3% |
| Age 65 to 74 | 10.9% | 12.5% | 9.6% |
| Age 75 to 84 | 6.1% | 11.6% | 4.5% |
| Age 85 and over | 2.0% | 6.7% | 1.9% |
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| Race | | | |
| | Dexter township, MI | Chelsea, MI | United States |
| White | 91.0% | 95.6% | 59.4% |
| Black | 0.3% | 0.8% | 12.2% |
| Asian | 1.5% | 0.1% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.6% | 1.9% | 3.2% |
| Hispanic | 3.6% | 1.6% | 18.4% |
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| Marriage & Family | | | |
| | Dexter township, MI | Chelsea, MI | United States |
| Married Population | 67.4% | 56.7% | 49.8% |
| Currently Married | 66.0% | 52.8% | 48.0% |
| Married but Separated | 1.5% | 3.9% | 1.8% |
| Single Population | 32.6% | 43.3% | 50.2% |
| Never Married | 23.7% | 18.8% | 33.8% |
| Divorced | 6.1% | 10.3% | 10.8% |
| Widowed | 2.8% | 14.3% | 5.6% |
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| Household Size | 2.72 | 2.07 | 2.60 |
| Households | 2,466 | 2,571 | 124,010,992 |
| Family Households | 1,993 | 1,348 | 80,755,759 |
| Married couple, w/children | 33.6% | 35.8% | 30.5% |
| Married couple, no children | 52.2% | 53.3% | 42.9% |
| Non Family Households | 473 | 1,223 | 43,255,233 |
| Single householder, w/children | 7.1% | 7.5% | 15.8% |
| Single householder, no children | 7.1% | 3.4% | 10.8% |