| | Seekonk, MA | Payson, AZ | United States |
| Population | 15,339 | 16,229 | 329,725,481 |
| Female Population | 50.7% | 52.0% | 50.5% |
| Male Population | 49.3% | 48.0% | 49.5% |
| Median Age | 46 | 59.1 | 38.4 |
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| Population - 2010 | 13,739 | 15,319 | 309,327,143 |
| Population - 2000 | 13,425 | 13,620 | 285,036,114 |
| Population - 1990 | 13,046 | 8,377 | 251,960,433 |
| Pop. 2000 to Now | 18.1% | 17.1% | 15.6% |
| Pop. 1990 to Now | 21.5% | 90.4% | 30.8% |
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| Population Density | 834.6 | 838.8 | 93.4 |
| Land Area | 18.4 | 19.3 | 3,531,905.4 |
| Water Area | 0.2 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Seekonk, MA | Payson, AZ | United States |
| Age 0 to 4 | 4.5% | 3.1% | 5.9% |
| Age 5 to 9 | 4.3% | 3.9% | 6.1% |
| Age 10 to 14 | 6.6% | 5.5% | 6.6% |
| Age 15 to 17 | 3.9% | 2.4% | 3.9% |
| Age 18 to 20 | 1.9% | 1.6% | 4.0% |
| Age 21 to 24 | 4.0% | 2.8% | 5.2% |
| Age 25 to 34 | 13.0% | 9.3% | 13.8% |
| Age 35 to 44 | 9.8% | 6.6% | 12.9% |
| Age 45 to 54 | 16.6% | 9.0% | 12.6% |
| Age 55 to 59 | 10.9% | 7.5% | 6.7% |
| Age 60 to 64 | 7.2% | 10.8% | 6.3% |
| Age 65 to 74 | 10.5% | 20.7% | 9.6% |
| Age 75 to 84 | 5.1% | 11.5% | 4.5% |
| Age 85 and over | 1.6% | 5.4% | 1.9% |
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| Race | | | |
| | Seekonk, MA | Payson, AZ | United States |
| White | 93.0% | 84.1% | 59.4% |
| Black | 0.8% | 0.6% | 12.2% |
| Asian | 1.2% | 1.0% | 5.6% |
| Native American | 0.0% | 1.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 0.0% | 0.4% |
| Two or More Races | 2.6% | 0.8% | 3.2% |
| Hispanic | 2.1% | 11.9% | 18.4% |
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| Marriage & Family | | | |
| | Seekonk, MA | Payson, AZ | United States |
| Married Population | 63.4% | 58.9% | 49.8% |
| Currently Married | 61.9% | 58.2% | 48.0% |
| Married but Separated | 1.5% | 0.6% | 1.8% |
| Single Population | 36.6% | 41.1% | 50.2% |
| Never Married | 24.1% | 16.1% | 33.8% |
| Divorced | 7.7% | 16.6% | 10.8% |
| Widowed | 4.8% | 8.5% | 5.6% |
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| Household Size | 2.57 | 2.13 | 2.60 |
| Households | 5,969 | 7,475 | 124,010,992 |
| Family Households | 4,506 | 4,513 | 80,755,759 |
| Married couple, w/children | 32.8% | 20.8% | 30.5% |
| Married couple, no children | 52.8% | 65.1% | 42.9% |
| Non Family Households | 1,463 | 2,962 | 43,255,233 |
| Single householder, w/children | 7.0% | 8.9% | 15.8% |
| Single householder, no children | 7.3% | 5.2% | 10.8% |