| | Soap Lake, WA | Wenatchee, WA | United States |
| Population | 1,333 | 35,086 | 329,725,481 |
| Female Population | 54.5% | 49.4% | 50.5% |
| Male Population | 45.5% | 50.6% | 49.5% |
| Median Age | 43.3 | 35.2 | 38.4 |
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| Population - 2010 | 1,549 | 32,948 | 309,327,143 |
| Population - 2000 | 1,733 | 27,856 | 285,036,114 |
| Population - 1990 | 1,149 | 21,756 | 251,960,433 |
| Pop. 2000 to Now | -7.2% | 22.8% | 15.6% |
| Pop. 1990 to Now | 40.0% | 57.3% | 30.8% |
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| Population Density | 882.8 | 3,516.0 | 93.4 |
| Land Area | 1.5 | 10.0 | 3,531,905.4 |
| Water Area | 0.1 | 0.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Soap Lake, WA | Wenatchee, WA | United States |
| Age 0 to 4 | 3.8% | 6.6% | 5.9% |
| Age 5 to 9 | 6.5% | 8.2% | 6.1% |
| Age 10 to 14 | 6.0% | 6.7% | 6.6% |
| Age 15 to 17 | 1.1% | 4.1% | 3.9% |
| Age 18 to 20 | 4.3% | 4.1% | 4.0% |
| Age 21 to 24 | 1.4% | 4.4% | 5.2% |
| Age 25 to 34 | 12.6% | 15.6% | 13.8% |
| Age 35 to 44 | 15.2% | 12.5% | 12.9% |
| Age 45 to 54 | 5.6% | 9.6% | 12.6% |
| Age 55 to 59 | 9.3% | 5.9% | 6.7% |
| Age 60 to 64 | 5.0% | 6.6% | 6.3% |
| Age 65 to 74 | 15.3% | 8.6% | 9.6% |
| Age 75 to 84 | 10.4% | 3.7% | 4.5% |
| Age 85 and over | 3.7% | 3.4% | 1.9% |
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| Race | | | |
| | Soap Lake, WA | Wenatchee, WA | United States |
| White | 67.4% | 59.0% | 59.4% |
| Black | 0.0% | 0.8% | 12.2% |
| Asian | 0.5% | 0.8% | 5.6% |
| Native American | 2.0% | 0.7% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 6.1% | 3.7% | 3.2% |
| Hispanic | 24.1% | 34.8% | 18.4% |
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| Marriage & Family | | | |
| | Soap Lake, WA | Wenatchee, WA | United States |
| Married Population | 35.4% | 45.0% | 49.8% |
| Currently Married | 33.4% | 43.7% | 48.0% |
| Married but Separated | 2.0% | 1.3% | 1.8% |
| Single Population | 64.6% | 55.0% | 50.2% |
| Never Married | 24.8% | 34.5% | 33.8% |
| Divorced | 26.3% | 14.7% | 10.8% |
| Widowed | 13.4% | 5.9% | 5.6% |
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| Household Size | 2.00 | 2.54 | 2.60 |
| Households | 649 | 13,504 | 124,010,992 |
| Family Households | 228 | 8,284 | 80,755,759 |
| Married couple, w/children | 28.9% | 32.3% | 30.5% |
| Married couple, no children | 42.1% | 35.7% | 42.9% |
| Non Family Households | 421 | 5,220 | 43,255,233 |
| Single householder, w/children | 19.3% | 20.9% | 15.8% |
| Single householder, no children | 9.6% | 11.1% | 10.8% |