| | West Allis, WI | Raleigh, NC | United States |
| Population | 60,220 | 462,219 | 329,725,481 |
| Female Population | 50.8% | 51.4% | 50.5% |
| Male Population | 49.2% | 48.6% | 49.5% |
| Median Age | 38.2 | 34.2 | 38.4 |
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| Population - 2010 | 60,404 | 406,412 | 309,327,143 |
| Population - 2000 | 61,254 | 276,093 | 285,036,114 |
| Population - 1990 | 63,221 | 207,951 | 251,960,433 |
| Pop. 2000 to Now | -2.5% | 71.8% | 15.6% |
| Pop. 1990 to Now | -5.5% | 128.1% | 30.8% |
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| Population Density | 5,291.3 | 3,181.7 | 93.4 |
| Land Area | 11.4 | 145.3 | 3,531,905.4 |
| Water Area | 0.0 | 1.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | West Allis, WI | Raleigh, NC | United States |
| Age 0 to 4 | 6.1% | 5.6% | 5.9% |
| Age 5 to 9 | 5.6% | 5.5% | 6.1% |
| Age 10 to 14 | 4.8% | 6.0% | 6.6% |
| Age 15 to 17 | 3.3% | 3.5% | 3.9% |
| Age 18 to 20 | 2.1% | 5.6% | 4.0% |
| Age 21 to 24 | 3.8% | 6.7% | 5.2% |
| Age 25 to 34 | 18.9% | 18.6% | 13.8% |
| Age 35 to 44 | 13.7% | 14.5% | 12.9% |
| Age 45 to 54 | 11.6% | 12.8% | 12.6% |
| Age 55 to 59 | 6.7% | 5.7% | 6.7% |
| Age 60 to 64 | 7.7% | 4.7% | 6.3% |
| Age 65 to 74 | 10.1% | 6.6% | 9.6% |
| Age 75 to 84 | 3.2% | 3.0% | 4.5% |
| Age 85 and over | 2.5% | 1.2% | 1.9% |
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| Race | | | |
| | West Allis, WI | Raleigh, NC | United States |
| White | 70.9% | 52.4% | 59.4% |
| Black | 6.2% | 27.9% | 12.2% |
| Asian | 3.1% | 4.7% | 5.6% |
| Native American | 0.5% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 0.4% | 0.4% |
| Two or More Races | 4.2% | 2.9% | 3.2% |
| Hispanic | 14.7% | 11.3% | 18.4% |
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| Marriage & Family | | | |
| | West Allis, WI | Raleigh, NC | United States |
| Married Population | 39.9% | 42.1% | 49.8% |
| Currently Married | 38.7% | 40.0% | 48.0% |
| Married but Separated | 1.2% | 2.1% | 1.8% |
| Single Population | 60.1% | 57.9% | 50.2% |
| Never Married | 39.3% | 43.2% | 33.8% |
| Divorced | 14.8% | 11.0% | 10.8% |
| Widowed | 6.0% | 3.8% | 5.6% |
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| Household Size | 2.14 | 2.37 | 2.60 |
| Households | 27,808 | 187,234 | 124,010,992 |
| Family Households | 13,644 | 101,517 | 80,755,759 |
| Married couple, w/children | 24.6% | 31.5% | 30.5% |
| Married couple, no children | 43.3% | 38.6% | 42.9% |
| Non Family Households | 14,164 | 85,717 | 43,255,233 |
| Single householder, w/children | 20.0% | 19.0% | 15.8% |
| Single householder, no children | 12.0% | 11.0% | 10.8% |