| | Menasha, WI | Port St. Lucie, FL | United States |
| Population | 18,157 | 202,177 | 329,725,481 |
| Female Population | 50.9% | 50.8% | 50.5% |
| Male Population | 49.1% | 49.3% | 49.5% |
| Median Age | 37.9 | 42.9 | 38.4 |
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| Population - 2010 | 17,524 | 164,860 | 309,327,143 |
| Population - 2000 | 16,331 | 88,769 | 285,036,114 |
| Population - 1990 | 14,711 | 57,058 | 251,960,433 |
| Pop. 2000 to Now | 9.0% | 136.3% | 15.6% |
| Pop. 1990 to Now | 21.0% | 267.6% | 30.8% |
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| Population Density | 2,997.7 | 1,696.3 | 93.4 |
| Land Area | 6.1 | 119.2 | 3,531,905.4 |
| Water Area | 1.7 | 1.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Menasha, WI | Port St. Lucie, FL | United States |
| Age 0 to 4 | 6.6% | 5.3% | 5.9% |
| Age 5 to 9 | 7.4% | 5.8% | 6.1% |
| Age 10 to 14 | 5.3% | 6.7% | 6.6% |
| Age 15 to 17 | 3.3% | 3.9% | 3.9% |
| Age 18 to 20 | 3.5% | 2.8% | 4.0% |
| Age 21 to 24 | 6.0% | 4.1% | 5.2% |
| Age 25 to 34 | 13.8% | 12.2% | 13.8% |
| Age 35 to 44 | 15.6% | 12.4% | 12.9% |
| Age 45 to 54 | 12.4% | 13.1% | 12.6% |
| Age 55 to 59 | 8.2% | 6.7% | 6.7% |
| Age 60 to 64 | 5.2% | 6.8% | 6.3% |
| Age 65 to 74 | 8.0% | 11.5% | 9.6% |
| Age 75 to 84 | 3.1% | 7.1% | 4.5% |
| Age 85 and over | 1.5% | 1.8% | 1.9% |
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| Race | | | |
| | Menasha, WI | Port St. Lucie, FL | United States |
| White | 83.4% | 54.6% | 59.4% |
| Black | 1.4% | 17.3% | 12.2% |
| Asian | 3.3% | 2.0% | 5.6% |
| Native American | 0.5% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 0.2% | 0.5% | 0.4% |
| Two or More Races | 3.4% | 3.6% | 3.2% |
| Hispanic | 7.6% | 21.8% | 18.4% |
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| Marriage & Family | | | |
| | Menasha, WI | Port St. Lucie, FL | United States |
| Married Population | 46.3% | 53.1% | 49.8% |
| Currently Married | 45.3% | 51.8% | 48.0% |
| Married but Separated | 1.1% | 1.3% | 1.8% |
| Single Population | 53.7% | 46.9% | 50.2% |
| Never Married | 35.1% | 27.9% | 33.8% |
| Divorced | 12.8% | 12.9% | 10.8% |
| Widowed | 5.8% | 6.1% | 5.6% |
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| Household Size | 2.23 | 2.81 | 2.60 |
| Households | 8,114 | 71,609 | 124,010,992 |
| Family Households | 4,315 | 53,535 | 80,755,759 |
| Married couple, w/children | 33.7% | 28.4% | 30.5% |
| Married couple, no children | 40.9% | 45.5% | 42.9% |
| Non Family Households | 3,799 | 18,074 | 43,255,233 |
| Single householder, w/children | 18.0% | 14.8% | 15.8% |
| Single householder, no children | 7.4% | 11.3% | 10.8% |