| | Three Lakes, WI | Glendale, CA | United States |
| Population | 2,007 | 196,512 | 329,725,481 |
| Female Population | 53.3% | 52.5% | 50.5% |
| Male Population | 46.7% | 47.5% | 49.5% |
| Median Age | 60.6 | 41.2 | 38.4 |
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| Population - 2010 | 2,129 | 191,729 | 309,327,143 |
| Population - 2000 | 2,339 | 194,973 | 285,036,114 |
| Population - 1990 | 2,004 | 180,038 | 251,960,433 |
| Pop. 2000 to Now | -9.1% | 1.4% | 15.6% |
| Pop. 1990 to Now | 6.1% | 9.8% | 30.8% |
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| Population Density | 25.1 | 6,449.2 | 93.4 |
| Land Area | 80.1 | 30.5 | 3,531,905.4 |
| Water Area | 19.8 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Three Lakes, WI | Glendale, CA | United States |
| Age 0 to 4 | 1.9% | 4.9% | 5.9% |
| Age 5 to 9 | 1.3% | 4.7% | 6.1% |
| Age 10 to 14 | 2.1% | 5.3% | 6.6% |
| Age 15 to 17 | 3.5% | 3.0% | 3.9% |
| Age 18 to 20 | 1.8% | 3.2% | 4.0% |
| Age 21 to 24 | 2.4% | 4.3% | 5.2% |
| Age 25 to 34 | 7.9% | 15.9% | 13.8% |
| Age 35 to 44 | 6.6% | 13.3% | 12.9% |
| Age 45 to 54 | 10.2% | 13.9% | 12.6% |
| Age 55 to 59 | 10.6% | 7.0% | 6.7% |
| Age 60 to 64 | 14.4% | 6.6% | 6.3% |
| Age 65 to 74 | 23.4% | 9.8% | 9.6% |
| Age 75 to 84 | 10.4% | 5.6% | 4.5% |
| Age 85 and over | 3.4% | 2.6% | 1.9% |
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| Race | | | |
| | Three Lakes, WI | Glendale, CA | United States |
| White | 98.2% | 61.8% | 59.4% |
| Black | 0.1% | 1.8% | 12.2% |
| Asian | 0.4% | 13.7% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 1.2% | 3.6% | 3.2% |
| Hispanic | 0.1% | 18.7% | 18.4% |
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| Marriage & Family | | | |
| | Three Lakes, WI | Glendale, CA | United States |
| Married Population | 64.1% | 50.6% | 49.8% |
| Currently Married | 63.9% | 49.0% | 48.0% |
| Married but Separated | 0.2% | 1.6% | 1.8% |
| Single Population | 35.9% | 49.4% | 50.2% |
| Never Married | 20.0% | 35.5% | 33.8% |
| Divorced | 10.2% | 7.4% | 10.8% |
| Widowed | 5.7% | 6.5% | 5.6% |
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| Household Size | 2.21 | 2.65 | 2.60 |
| Households | 907 | 73,394 | 124,010,992 |
| Family Households | 606 | 48,729 | 80,755,759 |
| Married couple, w/children | 9.4% | 30.9% | 30.5% |
| Married couple, no children | 80.4% | 42.6% | 42.9% |
| Non Family Households | 301 | 24,665 | 43,255,233 |
| Single householder, w/children | 4.3% | 9.8% | 15.8% |
| Single householder, no children | 5.9% | 16.7% | 10.8% |