| | Albany, OR | Longmont, CO | United States |
| Population | 55,776 | 98,789 | 329,725,481 |
| Female Population | 50.8% | 50.4% | 50.5% |
| Male Population | 49.2% | 49.6% | 49.5% |
| Median Age | 35.9 | 39.5 | 38.4 |
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| Population - 2010 | 50,330 | 86,616 | 309,327,143 |
| Population - 2000 | 40,852 | 71,093 | 285,036,114 |
| Population - 1990 | 29,462 | 51,555 | 251,960,433 |
| Pop. 2000 to Now | 37.4% | 38.5% | 15.6% |
| Pop. 1990 to Now | 90.5% | 91.0% | 30.8% |
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| Population Density | 3,179.8 | 3,585.3 | 93.4 |
| Land Area | 17.5 | 27.6 | 3,531,905.4 |
| Water Area | 0.2 | 1.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Albany, OR | Longmont, CO | United States |
| Age 0 to 4 | 7.6% | 5.1% | 5.9% |
| Age 5 to 9 | 6.4% | 5.6% | 6.1% |
| Age 10 to 14 | 7.2% | 6.3% | 6.6% |
| Age 15 to 17 | 4.3% | 4.6% | 3.9% |
| Age 18 to 20 | 3.6% | 3.4% | 4.0% |
| Age 21 to 24 | 5.5% | 4.9% | 5.2% |
| Age 25 to 34 | 14.4% | 13.6% | 13.8% |
| Age 35 to 44 | 14.1% | 14.3% | 12.9% |
| Age 45 to 54 | 11.4% | 12.6% | 12.6% |
| Age 55 to 59 | 6.3% | 7.0% | 6.7% |
| Age 60 to 64 | 4.5% | 6.5% | 6.3% |
| Age 65 to 74 | 8.8% | 9.8% | 9.6% |
| Age 75 to 84 | 4.0% | 4.2% | 4.5% |
| Age 85 and over | 2.0% | 2.1% | 1.9% |
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| Race | | | |
| | Albany, OR | Longmont, CO | United States |
| White | 79.6% | 68.3% | 59.4% |
| Black | 0.4% | 1.1% | 12.2% |
| Asian | 2.0% | 3.3% | 5.6% |
| Native American | 0.5% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 4.1% | 3.2% | 3.2% |
| Hispanic | 13.2% | 23.5% | 18.4% |
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| Marriage & Family | | | |
| | Albany, OR | Longmont, CO | United States |
| Married Population | 50.9% | 49.6% | 49.8% |
| Currently Married | 49.5% | 48.4% | 48.0% |
| Married but Separated | 1.4% | 1.2% | 1.8% |
| Single Population | 49.1% | 50.4% | 50.2% |
| Never Married | 31.0% | 31.8% | 33.8% |
| Divorced | 14.0% | 13.5% | 10.8% |
| Widowed | 4.2% | 5.2% | 5.6% |
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| Household Size | 2.63 | 2.50 | 2.60 |
| Households | 20,880 | 39,237 | 124,010,992 |
| Family Households | 13,658 | 24,792 | 80,755,759 |
| Married couple, w/children | 32.7% | 30.3% | 30.5% |
| Married couple, no children | 42.0% | 45.6% | 42.9% |
| Non Family Households | 7,222 | 14,445 | 43,255,233 |
| Single householder, w/children | 13.3% | 14.8% | 15.8% |
| Single householder, no children | 12.0% | 9.4% | 10.8% |