| | Dewey-Humboldt, AZ | Laughlin, NV | United States |
| Population | 4,304 | 8,174 | 329,725,481 |
| Female Population | 49.7% | 47.2% | 50.5% |
| Male Population | 50.3% | 52.8% | 49.5% |
| Median Age | 52.9 | 59.8 | 38.4 |
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| Population - 2010 | 3,891 | 6,926 | 309,327,143 |
| Population - 2000 | 6,295 | 7,076 | 285,036,114 |
| Population - 1990 | 3,640 | 4,791 | 251,960,433 |
| Pop. 2000 to Now | -32.6% | 21.0% | 15.6% |
| Pop. 1990 to Now | 16.5% | 78.8% | 30.8% |
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| Population Density | 231.5 | 92.8 | 93.4 |
| Land Area | 18.6 | 88.1 | 3,531,905.4 |
| Water Area | 0.0 | 1.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Dewey-Humboldt, AZ | Laughlin, NV | United States |
| Age 0 to 4 | 4.4% | 3.1% | 5.9% |
| Age 5 to 9 | 6.3% | 3.4% | 6.1% |
| Age 10 to 14 | 5.9% | 1.3% | 6.6% |
| Age 15 to 17 | 3.5% | 0.7% | 3.9% |
| Age 18 to 20 | 1.8% | 2.0% | 4.0% |
| Age 21 to 24 | 1.4% | 2.5% | 5.2% |
| Age 25 to 34 | 9.2% | 11.1% | 13.8% |
| Age 35 to 44 | 9.0% | 6.9% | 12.9% |
| Age 45 to 54 | 10.9% | 10.4% | 12.6% |
| Age 55 to 59 | 6.0% | 8.9% | 6.7% |
| Age 60 to 64 | 7.2% | 7.9% | 6.3% |
| Age 65 to 74 | 20.4% | 25.5% | 9.6% |
| Age 75 to 84 | 10.3% | 13.0% | 4.5% |
| Age 85 and over | 3.7% | 3.4% | 1.9% |
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| Race | | | |
| | Dewey-Humboldt, AZ | Laughlin, NV | United States |
| White | 85.7% | 73.0% | 59.4% |
| Black | 0.3% | 4.3% | 12.2% |
| Asian | 0.0% | 1.3% | 5.6% |
| Native American | 0.5% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.3% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 2.8% | 1.8% | 3.2% |
| Hispanic | 10.6% | 19.1% | 18.4% |
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| Marriage & Family | | | |
| | Dewey-Humboldt, AZ | Laughlin, NV | United States |
| Married Population | 56.5% | 40.9% | 49.8% |
| Currently Married | 54.6% | 38.6% | 48.0% |
| Married but Separated | 1.9% | 2.3% | 1.8% |
| Single Population | 43.5% | 59.1% | 50.2% |
| Never Married | 19.0% | 24.2% | 33.8% |
| Divorced | 15.8% | 24.6% | 10.8% |
| Widowed | 8.7% | 10.3% | 5.6% |
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| Household Size | 2.60 | 1.98 | 2.60 |
| Households | 1,650 | 4,127 | 124,010,992 |
| Family Households | 1,128 | 1,989 | 80,755,759 |
| Married couple, w/children | 17.9% | 8.8% | 30.5% |
| Married couple, no children | 65.5% | 60.3% | 42.9% |
| Non Family Households | 522 | 2,138 | 43,255,233 |
| Single householder, w/children | 7.6% | 11.2% | 15.8% |
| Single householder, no children | 9.0% | 19.7% | 10.8% |