| | Mandeville, LA | Sheboygan, WI | United States |
| Population | 12,985 | 49,849 | 329,725,481 |
| Female Population | 51.4% | 48.7% | 50.5% |
| Male Population | 48.7% | 51.3% | 49.5% |
| Median Age | 45.1 | 36.5 | 38.4 |
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| Population - 2010 | 12,137 | 49,363 | 309,327,143 |
| Population - 2000 | 10,489 | 50,792 | 285,036,114 |
| Population - 1990 | 7,083 | 49,676 | 251,960,433 |
| Pop. 2000 to Now | 19.7% | -5.9% | 15.6% |
| Pop. 1990 to Now | 77.3% | -3.7% | 30.8% |
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| Population Density | 1,870.0 | 3,186.1 | 93.4 |
| Land Area | 6.9 | 15.6 | 3,531,905.4 |
| Water Area | 0.1 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Mandeville, LA | Sheboygan, WI | United States |
| Age 0 to 4 | 3.1% | 6.9% | 5.9% |
| Age 5 to 9 | 6.0% | 6.4% | 6.1% |
| Age 10 to 14 | 9.9% | 7.8% | 6.6% |
| Age 15 to 17 | 5.1% | 3.9% | 3.9% |
| Age 18 to 20 | 3.5% | 2.7% | 4.0% |
| Age 21 to 24 | 2.0% | 5.8% | 5.2% |
| Age 25 to 34 | 9.3% | 13.7% | 13.8% |
| Age 35 to 44 | 10.6% | 14.1% | 12.9% |
| Age 45 to 54 | 15.4% | 11.5% | 12.6% |
| Age 55 to 59 | 11.1% | 5.9% | 6.7% |
| Age 60 to 64 | 4.4% | 6.0% | 6.3% |
| Age 65 to 74 | 11.3% | 8.7% | 9.6% |
| Age 75 to 84 | 6.5% | 4.2% | 4.5% |
| Age 85 and over | 1.8% | 2.4% | 1.9% |
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| Race | | | |
| | Mandeville, LA | Sheboygan, WI | United States |
| White | 92.5% | 70.3% | 59.4% |
| Black | 0.8% | 2.9% | 12.2% |
| Asian | 2.3% | 12.3% | 5.6% |
| Native American | 0.2% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.0% | 2.7% | 3.2% |
| Hispanic | 3.3% | 11.5% | 18.4% |
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| Marriage & Family | | | |
| | Mandeville, LA | Sheboygan, WI | United States |
| Married Population | 57.2% | 45.2% | 49.8% |
| Currently Married | 55.9% | 44.0% | 48.0% |
| Married but Separated | 1.3% | 1.2% | 1.8% |
| Single Population | 42.8% | 54.8% | 50.2% |
| Never Married | 23.7% | 35.3% | 33.8% |
| Divorced | 14.4% | 13.5% | 10.8% |
| Widowed | 4.7% | 6.0% | 5.6% |
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| Household Size | 2.43 | 2.36 | 2.60 |
| Households | 5,272 | 20,808 | 124,010,992 |
| Family Households | 3,495 | 11,391 | 80,755,759 |
| Married couple, w/children | 30.8% | 29.6% | 30.5% |
| Married couple, no children | 48.5% | 41.4% | 42.9% |
| Non Family Households | 1,777 | 9,417 | 43,255,233 |
| Single householder, w/children | 16.7% | 20.8% | 15.8% |
| Single householder, no children | 4.0% | 8.3% | 10.8% |