| | Cumberland, RI | Kalamazoo, MI | United States |
| Population | 36,186 | 74,020 | 329,725,481 |
| Female Population | 52.6% | 50.5% | 50.5% |
| Male Population | 47.5% | 49.5% | 49.5% |
| Median Age | 44.8 | 26.1 | 38.4 |
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| Population - 2010 | 33,601 | 74,335 | 309,327,143 |
| Population - 2000 | 31,840 | 77,145 | 285,036,114 |
| Population - 1990 | 29,038 | 80,277 | 251,960,433 |
| Pop. 2000 to Now | 10.6% | -1.5% | 15.6% |
| Pop. 1990 to Now | 21.2% | -5.3% | 30.8% |
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| Population Density | 1,368.1 | 3,000.9 | 93.4 |
| Land Area | 26.4 | 24.7 | 3,531,905.4 |
| Water Area | 1.8 | 0.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Cumberland, RI | Kalamazoo, MI | United States |
| Age 0 to 4 | 5.1% | 5.9% | 5.9% |
| Age 5 to 9 | 5.3% | 5.4% | 6.1% |
| Age 10 to 14 | 5.7% | 5.1% | 6.6% |
| Age 15 to 17 | 4.9% | 3.0% | 3.9% |
| Age 18 to 20 | 4.2% | 12.5% | 4.0% |
| Age 21 to 24 | 3.2% | 15.6% | 5.2% |
| Age 25 to 34 | 9.4% | 15.5% | 13.8% |
| Age 35 to 44 | 12.6% | 9.9% | 12.9% |
| Age 45 to 54 | 15.2% | 8.4% | 12.6% |
| Age 55 to 59 | 10.1% | 4.1% | 6.7% |
| Age 60 to 64 | 6.3% | 4.6% | 6.3% |
| Age 65 to 74 | 11.1% | 6.1% | 9.6% |
| Age 75 to 84 | 4.9% | 2.8% | 4.5% |
| Age 85 and over | 2.0% | 1.3% | 1.9% |
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| Race | | | |
| | Cumberland, RI | Kalamazoo, MI | United States |
| White | 83.7% | 62.3% | 59.4% |
| Black | 1.7% | 21.3% | 12.2% |
| Asian | 3.1% | 2.0% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.3% | 0.4% |
| Two or More Races | 3.1% | 7.0% | 3.2% |
| Hispanic | 8.2% | 6.9% | 18.4% |
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| Marriage & Family | | | |
| | Cumberland, RI | Kalamazoo, MI | United States |
| Married Population | 56.8% | 29.7% | 49.8% |
| Currently Married | 56.3% | 27.9% | 48.0% |
| Married but Separated | 0.5% | 1.8% | 1.8% |
| Single Population | 43.2% | 70.3% | 50.2% |
| Never Married | 27.8% | 57.1% | 33.8% |
| Divorced | 9.3% | 9.9% | 10.8% |
| Widowed | 6.1% | 3.4% | 5.6% |
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| Household Size | 2.63 | 2.29 | 2.60 |
| Households | 13,649 | 29,201 | 124,010,992 |
| Family Households | 9,790 | 13,161 | 80,755,759 |
| Married couple, w/children | 32.2% | 25.4% | 30.5% |
| Married couple, no children | 49.7% | 36.9% | 42.9% |
| Non Family Households | 3,859 | 16,040 | 43,255,233 |
| Single householder, w/children | 10.2% | 28.6% | 15.8% |
| Single householder, no children | 8.0% | 9.2% | 10.8% |