| | Allentown, PA | Albany, OR | United States |
| Population | 125,250 | 55,776 | 329,725,481 |
| Female Population | 51.2% | 50.8% | 50.5% |
| Male Population | 48.8% | 49.2% | 49.5% |
| Median Age | 31.9 | 35.9 | 38.4 |
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| Population - 2010 | 118,040 | 50,330 | 309,327,143 |
| Population - 2000 | 106,632 | 40,852 | 285,036,114 |
| Population - 1990 | 105,090 | 29,462 | 251,960,433 |
| Pop. 2000 to Now | 13.9% | 37.4% | 15.6% |
| Pop. 1990 to Now | 15.6% | 90.5% | 30.8% |
| space4 | | | |
| Population Density | 7,137.6 | 3,179.8 | 93.4 |
| Land Area | 17.5 | 17.5 | 3,531,905.4 |
| Water Area | 0.5 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Allentown, PA | Albany, OR | United States |
| Age 0 to 4 | 7.7% | 7.6% | 5.9% |
| Age 5 to 9 | 6.7% | 6.4% | 6.1% |
| Age 10 to 14 | 7.4% | 7.2% | 6.6% |
| Age 15 to 17 | 3.9% | 4.3% | 3.9% |
| Age 18 to 20 | 5.8% | 3.6% | 4.0% |
| Age 21 to 24 | 6.5% | 5.5% | 5.2% |
| Age 25 to 34 | 16.3% | 14.4% | 13.8% |
| Age 35 to 44 | 12.0% | 14.1% | 12.9% |
| Age 45 to 54 | 10.7% | 11.4% | 12.6% |
| Age 55 to 59 | 5.7% | 6.3% | 6.7% |
| Age 60 to 64 | 5.0% | 4.5% | 6.3% |
| Age 65 to 74 | 7.2% | 8.8% | 9.6% |
| Age 75 to 84 | 3.3% | 4.0% | 4.5% |
| Age 85 and over | 1.8% | 2.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Allentown, PA | Albany, OR | United States |
| White | 29.9% | 79.6% | 59.4% |
| Black | 10.3% | 0.4% | 12.2% |
| Asian | 3.0% | 2.0% | 5.6% |
| Native American | 0.1% | 0.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 0.0% | 0.4% |
| Two or More Races | 1.7% | 4.1% | 3.2% |
| Hispanic | 54.5% | 13.2% | 18.4% |
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| Marriage & Family | | | |
| | Allentown, PA | Albany, OR | United States |
| Married Population | 38.5% | 50.9% | 49.8% |
| Currently Married | 34.6% | 49.5% | 48.0% |
| Married but Separated | 3.9% | 1.4% | 1.8% |
| Single Population | 61.5% | 49.1% | 50.2% |
| Never Married | 46.7% | 31.0% | 33.8% |
| Divorced | 9.8% | 14.0% | 10.8% |
| Widowed | 5.0% | 4.2% | 5.6% |
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| Household Size | 2.65 | 2.63 | 2.60 |
| Households | 45,195 | 20,880 | 124,010,992 |
| Family Households | 27,940 | 13,658 | 80,755,759 |
| Married couple, w/children | 25.0% | 32.7% | 30.5% |
| Married couple, no children | 28.9% | 42.0% | 42.9% |
| Non Family Households | 17,255 | 7,222 | 43,255,233 |
| Single householder, w/children | 31.5% | 13.3% | 15.8% |
| Single householder, no children | 14.6% | 12.0% | 10.8% |