| | Cleveland, OH | Bellingham, WA | United States |
| Population | 374,861 | 90,545 | 329,725,481 |
| Female Population | 51.8% | 51.5% | 50.5% |
| Male Population | 48.2% | 48.5% | 49.5% |
| Median Age | 36.2 | 33.5 | 38.4 |
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| Population - 2010 | 396,095 | 81,705 | 309,327,143 |
| Population - 2000 | 478,403 | 67,171 | 285,036,114 |
| Population - 1990 | 505,616 | 52,179 | 251,960,433 |
| Pop. 2000 to Now | -20.9% | 39.9% | 15.6% |
| Pop. 1990 to Now | -25.1% | 80.1% | 30.8% |
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| Population Density | 4,824.5 | 3,269.1 | 93.4 |
| Land Area | 77.7 | 27.7 | 3,531,905.4 |
| Water Area | 4.8 | 2.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Cleveland, OH | Bellingham, WA | United States |
| Age 0 to 4 | 5.8% | 3.4% | 5.9% |
| Age 5 to 9 | 6.0% | 4.0% | 6.1% |
| Age 10 to 14 | 6.1% | 3.6% | 6.6% |
| Age 15 to 17 | 3.9% | 2.4% | 3.9% |
| Age 18 to 20 | 4.1% | 9.6% | 4.0% |
| Age 21 to 24 | 5.7% | 13.2% | 5.2% |
| Age 25 to 34 | 16.7% | 15.7% | 13.8% |
| Age 35 to 44 | 11.8% | 11.8% | 12.9% |
| Age 45 to 54 | 11.8% | 9.8% | 12.6% |
| Age 55 to 59 | 7.1% | 4.9% | 6.7% |
| Age 60 to 64 | 6.9% | 5.8% | 6.3% |
| Age 65 to 74 | 8.4% | 9.5% | 9.6% |
| Age 75 to 84 | 4.0% | 4.5% | 4.5% |
| Age 85 and over | 1.7% | 1.7% | 1.9% |
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| Race | | | |
| | Cleveland, OH | Bellingham, WA | United States |
| White | 34.0% | 77.4% | 59.4% |
| Black | 46.7% | 1.3% | 12.2% |
| Asian | 2.4% | 5.7% | 5.6% |
| Native American | 0.1% | 0.8% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.2% | 0.2% |
| Other | 0.5% | 0.1% | 0.4% |
| Two or More Races | 4.1% | 5.1% | 3.2% |
| Hispanic | 12.2% | 9.5% | 18.4% |
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| Marriage & Family | | | |
| | Cleveland, OH | Bellingham, WA | United States |
| Married Population | 26.9% | 38.7% | 49.8% |
| Currently Married | 24.0% | 37.6% | 48.0% |
| Married but Separated | 3.0% | 1.1% | 1.8% |
| Single Population | 73.1% | 61.3% | 50.2% |
| Never Married | 53.1% | 47.0% | 33.8% |
| Divorced | 14.1% | 10.4% | 10.8% |
| Widowed | 5.9% | 3.9% | 5.6% |
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| Household Size | 2.15 | 2.18 | 2.60 |
| Households | 168,196 | 39,496 | 124,010,992 |
| Family Households | 77,098 | 18,062 | 80,755,759 |
| Married couple, w/children | 15.2% | 25.9% | 30.5% |
| Married couple, no children | 27.0% | 51.2% | 42.9% |
| Non Family Households | 91,098 | 21,434 | 43,255,233 |
| Single householder, w/children | 36.6% | 13.6% | 15.8% |
| Single householder, no children | 21.2% | 9.3% | 10.8% |