| | Oshkosh, WI | Chippewa Falls, WI | United States |
| Population | 66,694 | 14,581 | 329,725,481 |
| Female Population | 49.3% | 51.4% | 50.5% |
| Male Population | 50.7% | 48.6% | 49.5% |
| Median Age | 34.2 | 38.4 | 38.4 |
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| Population - 2010 | 66,323 | 13,743 | 309,327,143 |
| Population - 2000 | 62,916 | 12,925 | 285,036,114 |
| Population - 1990 | 55,006 | 12,727 | 251,960,433 |
| Pop. 2000 to Now | 5.7% | 11.5% | 15.6% |
| Pop. 1990 to Now | 20.9% | 13.2% | 30.8% |
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| Population Density | 2,489.2 | 1,288.0 | 93.4 |
| Land Area | 26.8 | 11.3 | 3,531,905.4 |
| Water Area | 1.0 | 0.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Oshkosh, WI | Chippewa Falls, WI | United States |
| Age 0 to 4 | 5.2% | 6.9% | 5.9% |
| Age 5 to 9 | 4.6% | 6.0% | 6.1% |
| Age 10 to 14 | 5.2% | 6.4% | 6.6% |
| Age 15 to 17 | 2.9% | 2.4% | 3.9% |
| Age 18 to 20 | 7.3% | 3.9% | 4.0% |
| Age 21 to 24 | 10.4% | 6.3% | 5.2% |
| Age 25 to 34 | 15.5% | 12.8% | 13.8% |
| Age 35 to 44 | 11.6% | 14.0% | 12.9% |
| Age 45 to 54 | 11.4% | 11.7% | 12.6% |
| Age 55 to 59 | 6.0% | 5.9% | 6.7% |
| Age 60 to 64 | 5.5% | 5.0% | 6.3% |
| Age 65 to 74 | 7.6% | 10.0% | 9.6% |
| Age 75 to 84 | 4.3% | 3.7% | 4.5% |
| Age 85 and over | 2.4% | 5.0% | 1.9% |
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| Race | | | |
| | Oshkosh, WI | Chippewa Falls, WI | United States |
| White | 84.3% | 91.0% | 59.4% |
| Black | 4.3% | 3.1% | 12.2% |
| Asian | 3.9% | 1.1% | 5.6% |
| Native American | 0.3% | 0.9% | 0.6% |
| Hawaiian, Pacific Islander | 0.2% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.0% | 2.6% | 3.2% |
| Hispanic | 4.0% | 1.4% | 18.4% |
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| Marriage & Family | | | |
| | Oshkosh, WI | Chippewa Falls, WI | United States |
| Married Population | 38.4% | 40.8% | 49.8% |
| Currently Married | 37.4% | 39.3% | 48.0% |
| Married but Separated | 1.0% | 1.4% | 1.8% |
| Single Population | 61.6% | 59.2% | 50.2% |
| Never Married | 43.1% | 34.0% | 33.8% |
| Divorced | 12.5% | 15.3% | 10.8% |
| Widowed | 6.0% | 10.0% | 5.6% |
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| Household Size | 2.24 | 2.19 | 2.60 |
| Households | 26,565 | 6,295 | 124,010,992 |
| Family Households | 13,698 | 3,259 | 80,755,759 |
| Married couple, w/children | 26.7% | 31.9% | 30.5% |
| Married couple, no children | 45.1% | 36.6% | 42.9% |
| Non Family Households | 12,867 | 3,036 | 43,255,233 |
| Single householder, w/children | 19.4% | 20.1% | 15.8% |
| Single householder, no children | 8.7% | 11.4% | 10.8% |