| | Joseph City, AZ | Holbrook, AZ | United States |
| Population | 2,021 | 4,826 | 329,725,481 |
| Female Population | 49.4% | 44.1% | 50.5% |
| Male Population | 50.6% | 56.0% | 49.5% |
| Median Age | 20.3 | 38.5 | 38.4 |
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| Population - 2010 | 1,477 | 5,053 | 309,327,143 |
| Population - 2000 | 1,334 | 4,917 | 285,036,114 |
| Population - 1990 | 1,149 | 4,686 | 251,960,433 |
| Pop. 2000 to Now | -1.7% | 3.5% | 15.6% |
| Pop. 1990 to Now | 14.2% | 8.6% | 30.8% |
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| Population Density | 273.1 | 278.3 | 93.4 |
| Land Area | 7.4 | 17.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Joseph City, AZ | Holbrook, AZ | United States |
| Age 0 to 4 | 10.6% | 5.0% | 5.9% |
| Age 5 to 9 | 13.9% | 4.0% | 6.1% |
| Age 10 to 14 | 13.6% | 13.1% | 6.6% |
| Age 15 to 17 | 10.2% | 4.1% | 3.9% |
| Age 18 to 20 | 2.2% | 3.3% | 4.0% |
| Age 21 to 24 | 5.5% | 4.5% | 5.2% |
| Age 25 to 34 | 13.2% | 11.4% | 13.8% |
| Age 35 to 44 | 11.3% | 17.0% | 12.9% |
| Age 45 to 54 | 6.0% | 12.8% | 12.6% |
| Age 55 to 59 | 2.5% | 6.5% | 6.7% |
| Age 60 to 64 | 3.8% | 5.3% | 6.3% |
| Age 65 to 74 | 5.7% | 7.1% | 9.6% |
| Age 75 to 84 | 1.4% | 5.3% | 4.5% |
| Age 85 and over | 0.0% | 0.6% | 1.9% |
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| Race | | | |
| | Joseph City, AZ | Holbrook, AZ | United States |
| White | 61.6% | 32.5% | 59.4% |
| Black | 0.0% | 4.5% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 8.0% | 27.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 11.4% | 5.2% | 3.2% |
| Hispanic | 19.0% | 30.5% | 18.4% |
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| Marriage & Family | | | |
| | Joseph City, AZ | Holbrook, AZ | United States |
| Married Population | 45.6% | 37.6% | 49.8% |
| Currently Married | 44.8% | 35.1% | 48.0% |
| Married but Separated | 0.7% | 2.5% | 1.8% |
| Single Population | 54.4% | 62.4% | 50.2% |
| Never Married | 36.4% | 40.5% | 33.8% |
| Divorced | 14.1% | 15.5% | 10.8% |
| Widowed | 3.9% | 6.4% | 5.6% |
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| Household Size | 3.67 | 2.81 | 2.60 |
| Households | 551 | 1,520 | 124,010,992 |
| Family Households | 414 | 1,040 | 80,755,759 |
| Married couple, w/children | 47.3% | 31.3% | 30.5% |
| Married couple, no children | 18.1% | 25.5% | 42.9% |
| Non Family Households | 137 | 480 | 43,255,233 |
| Single householder, w/children | 29.2% | 21.1% | 15.8% |
| Single householder, no children | 5.3% | 22.2% | 10.8% |