| | Okauchee Lake, WI | Lac La Belle, WI | United States |
| Population | 4,590 | 244 | 329,725,481 |
| Female Population | 49.5% | 48.0% | 50.5% |
| Male Population | 50.5% | 52.1% | 49.5% |
| Median Age | 49.4 | 53.3 | 38.4 |
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| Population - 2010 | 4,599 | 284 | 309,327,143 |
| Population - 2000 | 3,916 | 329 | 285,036,114 |
| Population - 1990 | 3,819 | 258 | 251,960,433 |
| Pop. 2000 to Now | 15.1% | -8.2% | 15.6% |
| Pop. 1990 to Now | 18.0% | 17.1% | 30.8% |
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| Population Density | 1,327.7 | 256.0 | 93.4 |
| Land Area | 3.5 | 1.0 | 3,531,905.4 |
| Water Area | 1.5 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Okauchee Lake, WI | Lac La Belle, WI | United States |
| Age 0 to 4 | 3.7% | 2.0% | 5.9% |
| Age 5 to 9 | 4.9% | 3.7% | 6.1% |
| Age 10 to 14 | 7.9% | 8.2% | 6.6% |
| Age 15 to 17 | 1.7% | 6.1% | 3.9% |
| Age 18 to 20 | 1.8% | 5.3% | 4.0% |
| Age 21 to 24 | 1.0% | 4.1% | 5.2% |
| Age 25 to 34 | 10.2% | 4.5% | 13.8% |
| Age 35 to 44 | 13.6% | 4.5% | 12.9% |
| Age 45 to 54 | 11.5% | 16.4% | 12.6% |
| Age 55 to 59 | 3.9% | 9.0% | 6.7% |
| Age 60 to 64 | 10.6% | 14.3% | 6.3% |
| Age 65 to 74 | 17.5% | 9.0% | 9.6% |
| Age 75 to 84 | 9.8% | 9.0% | 4.5% |
| Age 85 and over | 1.9% | 3.7% | 1.9% |
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| Race | | | |
| | Okauchee Lake, WI | Lac La Belle, WI | United States |
| White | 94.3% | 95.1% | 59.4% |
| Black | 2.2% | 0.0% | 12.2% |
| Asian | 0.5% | 0.4% | 5.6% |
| Native American | 0.4% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.6% | 1.6% | 3.2% |
| Hispanic | 1.9% | 2.9% | 18.4% |
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| Marriage & Family | | | |
| | Okauchee Lake, WI | Lac La Belle, WI | United States |
| Married Population | 75.3% | 69.5% | 49.8% |
| Currently Married | 74.7% | 69.5% | 48.0% |
| Married but Separated | 0.6% | 0.0% | 1.8% |
| Single Population | 24.7% | 30.5% | 50.2% |
| Never Married | 14.7% | 24.3% | 33.8% |
| Divorced | 7.0% | 2.4% | 10.8% |
| Widowed | 3.1% | 3.8% | 5.6% |
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| Household Size | 2.32 | 2.65 | 2.60 |
| Households | 1,980 | 92 | 124,010,992 |
| Family Households | 1,553 | 75 | 80,755,759 |
| Married couple, w/children | 26.6% | 33.3% | 30.5% |
| Married couple, no children | 66.6% | 60.0% | 42.9% |
| Non Family Households | 427 | 17 | 43,255,233 |
| Single householder, w/children | 2.1% | 2.7% | 15.8% |
| Single householder, no children | 4.8% | 4.0% | 10.8% |