| | Wapato, WA | Naches, WA | United States |
| Population | 4,652 | 729 | 329,725,481 |
| Female Population | 50.2% | 56.0% | 50.5% |
| Male Population | 49.9% | 44.0% | 49.5% |
| Median Age | 27.5 | 40.8 | 38.4 |
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| Population - 2010 | 5,072 | 828 | 309,327,143 |
| Population - 2000 | 4,582 | 643 | 285,036,114 |
| Population - 1990 | 3,795 | 596 | 251,960,433 |
| Pop. 2000 to Now | 8.7% | 30.8% | 15.6% |
| Pop. 1990 to Now | 31.2% | 41.1% | 30.8% |
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| Population Density | 3,929.1 | 1,078.4 | 93.4 |
| Land Area | 1.2 | 0.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Wapato, WA | Naches, WA | United States |
| Age 0 to 4 | 9.0% | 7.4% | 5.9% |
| Age 5 to 9 | 8.4% | 3.8% | 6.1% |
| Age 10 to 14 | 9.4% | 4.3% | 6.6% |
| Age 15 to 17 | 6.8% | 4.1% | 3.9% |
| Age 18 to 20 | 6.4% | 2.1% | 4.0% |
| Age 21 to 24 | 8.1% | 3.6% | 5.2% |
| Age 25 to 34 | 8.4% | 18.1% | 13.8% |
| Age 35 to 44 | 12.4% | 10.0% | 12.9% |
| Age 45 to 54 | 11.7% | 13.3% | 12.6% |
| Age 55 to 59 | 7.1% | 10.6% | 6.7% |
| Age 60 to 64 | 4.7% | 4.4% | 6.3% |
| Age 65 to 74 | 4.6% | 8.4% | 9.6% |
| Age 75 to 84 | 2.3% | 3.7% | 4.5% |
| Age 85 and over | 0.7% | 6.3% | 1.9% |
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| Race | | | |
| | Wapato, WA | Naches, WA | United States |
| White | 5.1% | 84.1% | 59.4% |
| Black | 0.0% | 0.7% | 12.2% |
| Asian | 2.0% | 0.0% | 5.6% |
| Native American | 7.4% | 1.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 1.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.8% | 1.0% | 3.2% |
| Hispanic | 84.6% | 11.7% | 18.4% |
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| Marriage & Family | | | |
| | Wapato, WA | Naches, WA | United States |
| Married Population | 45.8% | 54.5% | 49.8% |
| Currently Married | 42.3% | 54.1% | 48.0% |
| Married but Separated | 3.5% | 0.5% | 1.8% |
| Single Population | 54.2% | 45.5% | 50.2% |
| Never Married | 44.2% | 24.7% | 33.8% |
| Divorced | 6.4% | 13.8% | 10.8% |
| Widowed | 3.7% | 7.0% | 5.6% |
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| Household Size | 3.66 | 2.13 | 2.60 |
| Households | 1,246 | 343 | 124,010,992 |
| Family Households | 1,027 | 228 | 80,755,759 |
| Married couple, w/children | 36.1% | 18.0% | 30.5% |
| Married couple, no children | 22.7% | 53.1% | 42.9% |
| Non Family Households | 219 | 115 | 43,255,233 |
| Single householder, w/children | 30.5% | 14.0% | 15.8% |
| Single householder, no children | 10.7% | 14.9% | 10.8% |