| | Pinckney, MI | Oshkosh, WI | United States |
| Population | 2,059 | 66,694 | 329,725,481 |
| Female Population | 51.7% | 49.3% | 50.5% |
| Male Population | 48.3% | 50.7% | 49.5% |
| Median Age | 42.8 | 34.2 | 38.4 |
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| Population - 2010 | 2,427 | 66,323 | 309,327,143 |
| Population - 2000 | 2,141 | 62,916 | 285,036,114 |
| Population - 1990 | 1,603 | 55,006 | 251,960,433 |
| Pop. 2000 to Now | 13.3% | 5.7% | 15.6% |
| Pop. 1990 to Now | 51.3% | 20.9% | 30.8% |
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| Population Density | 1,277.3 | 2,489.2 | 93.4 |
| Land Area | 1.6 | 26.8 | 3,531,905.4 |
| Water Area | 0.1 | 1.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Pinckney, MI | Oshkosh, WI | United States |
| Age 0 to 4 | 5.9% | 5.2% | 5.9% |
| Age 5 to 9 | 3.5% | 4.6% | 6.1% |
| Age 10 to 14 | 4.4% | 5.2% | 6.6% |
| Age 15 to 17 | 5.1% | 2.9% | 3.9% |
| Age 18 to 20 | 5.6% | 7.3% | 4.0% |
| Age 21 to 24 | 4.5% | 10.4% | 5.2% |
| Age 25 to 34 | 10.3% | 15.5% | 13.8% |
| Age 35 to 44 | 13.9% | 11.6% | 12.9% |
| Age 45 to 54 | 15.0% | 11.4% | 12.6% |
| Age 55 to 59 | 11.3% | 6.0% | 6.7% |
| Age 60 to 64 | 6.0% | 5.5% | 6.3% |
| Age 65 to 74 | 10.2% | 7.6% | 9.6% |
| Age 75 to 84 | 3.9% | 4.3% | 4.5% |
| Age 85 and over | 0.6% | 2.4% | 1.9% |
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| Race | | | |
| | Pinckney, MI | Oshkosh, WI | United States |
| White | 90.8% | 84.3% | 59.4% |
| Black | 0.1% | 4.3% | 12.2% |
| Asian | 0.7% | 3.9% | 5.6% |
| Native American | 0.0% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.2% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 4.5% | 3.0% | 3.2% |
| Hispanic | 3.9% | 4.0% | 18.4% |
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| Marriage & Family | | | |
| | Pinckney, MI | Oshkosh, WI | United States |
| Married Population | 42.5% | 38.4% | 49.8% |
| Currently Married | 41.6% | 37.4% | 48.0% |
| Married but Separated | 0.8% | 1.0% | 1.8% |
| Single Population | 57.5% | 61.6% | 50.2% |
| Never Married | 35.4% | 43.1% | 33.8% |
| Divorced | 16.9% | 12.5% | 10.8% |
| Widowed | 5.2% | 6.0% | 5.6% |
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| Household Size | 2.26 | 2.24 | 2.60 |
| Households | 905 | 26,565 | 124,010,992 |
| Family Households | 472 | 13,698 | 80,755,759 |
| Married couple, w/children | 32.4% | 26.7% | 30.5% |
| Married couple, no children | 41.7% | 45.1% | 42.9% |
| Non Family Households | 433 | 12,867 | 43,255,233 |
| Single householder, w/children | 16.5% | 19.4% | 15.8% |
| Single householder, no children | 9.3% | 8.7% | 10.8% |