| | Casey, WI | Spooner, WI | United States |
| Population | 456 | 1,989 | 329,725,481 |
| Female Population | 44.5% | 46.3% | 50.5% |
| Male Population | 55.5% | 53.7% | 49.5% |
| Median Age | 62.5 | 53.4 | 38.4 |
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| Population - 2010 | 352 | 2,693 | 309,327,143 |
| Population - 2000 | 466 | 2,653 | 285,036,114 |
| Population - 1990 | 401 | 2,464 | 251,960,433 |
| Pop. 2000 to Now | -24.3% | -3.8% | 15.6% |
| Pop. 1990 to Now | -12.0% | 3.6% | 30.8% |
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| Population Density | 14.8 | 492.9 | 93.4 |
| Land Area | 30.7 | 4.0 | 3,531,905.4 |
| Water Area | 3.5 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Casey, WI | Spooner, WI | United States |
| Age 0 to 4 | 0.7% | 1.7% | 5.9% |
| Age 5 to 9 | 0.7% | 2.7% | 6.1% |
| Age 10 to 14 | 1.8% | 10.9% | 6.6% |
| Age 15 to 17 | 1.3% | 1.4% | 3.9% |
| Age 18 to 20 | 1.1% | 2.5% | 4.0% |
| Age 21 to 24 | 1.3% | 3.2% | 5.2% |
| Age 25 to 34 | 5.9% | 8.6% | 13.8% |
| Age 35 to 44 | 5.9% | 11.8% | 12.9% |
| Age 45 to 54 | 17.8% | 10.2% | 12.6% |
| Age 55 to 59 | 6.1% | 7.3% | 6.7% |
| Age 60 to 64 | 15.4% | 11.3% | 6.3% |
| Age 65 to 74 | 33.6% | 13.5% | 9.6% |
| Age 75 to 84 | 6.8% | 10.7% | 4.5% |
| Age 85 and over | 1.8% | 4.2% | 1.9% |
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| Race | | | |
| | Casey, WI | Spooner, WI | United States |
| White | 99.3% | 82.4% | 59.4% |
| Black | 0.0% | 0.7% | 12.2% |
| Asian | 0.4% | 2.0% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.8% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.2% | 2.1% | 3.2% |
| Hispanic | 0.0% | 11.9% | 18.4% |
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| Marriage & Family | | | |
| | Casey, WI | Spooner, WI | United States |
| Married Population | 70.6% | 49.3% | 49.8% |
| Currently Married | 70.1% | 44.9% | 48.0% |
| Married but Separated | 0.5% | 4.5% | 1.8% |
| Single Population | 29.4% | 50.7% | 50.2% |
| Never Married | 14.5% | 23.5% | 33.8% |
| Divorced | 9.3% | 16.2% | 10.8% |
| Widowed | 5.7% | 11.0% | 5.6% |
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| Household Size | 2.09 | 1.89 | 2.60 |
| Households | 218 | 1,015 | 124,010,992 |
| Family Households | 145 | 478 | 80,755,759 |
| Married couple, w/children | 9.7% | 15.9% | 30.5% |
| Married couple, no children | 87.6% | 58.6% | 42.9% |
| Non Family Households | 73 | 537 | 43,255,233 |
| Single householder, w/children | 0.7% | 22.4% | 15.8% |
| Single householder, no children | 2.1% | 3.1% | 10.8% |