| | Chelan, WA | Moses Lake, WA | United States |
| Population | 4,237 | 24,764 | 329,725,481 |
| Female Population | 51.0% | 52.0% | 50.5% |
| Male Population | 49.0% | 48.0% | 49.5% |
| Median Age | 44.3 | 31 | 38.4 |
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| Population - 2010 | 3,902 | 20,460 | 309,327,143 |
| Population - 2000 | 3,522 | 14,953 | 285,036,114 |
| Population - 1990 | 2,969 | 11,235 | 251,960,433 |
| Pop. 2000 to Now | 20.5% | 62.3% | 15.6% |
| Pop. 1990 to Now | 43.0% | 116.1% | 30.8% |
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| Population Density | 653.8 | 1,373.7 | 93.4 |
| Land Area | 6.5 | 18.0 | 3,531,905.4 |
| Water Area | 0.2 | 2.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Chelan, WA | Moses Lake, WA | United States |
| Age 0 to 4 | 3.2% | 7.5% | 5.9% |
| Age 5 to 9 | 5.7% | 8.8% | 6.1% |
| Age 10 to 14 | 6.8% | 7.6% | 6.6% |
| Age 15 to 17 | 4.1% | 6.1% | 3.9% |
| Age 18 to 20 | 2.2% | 3.9% | 4.0% |
| Age 21 to 24 | 8.0% | 6.8% | 5.2% |
| Age 25 to 34 | 9.0% | 15.0% | 13.8% |
| Age 35 to 44 | 12.5% | 12.1% | 12.9% |
| Age 45 to 54 | 12.4% | 11.7% | 12.6% |
| Age 55 to 59 | 10.4% | 3.2% | 6.7% |
| Age 60 to 64 | 1.7% | 3.9% | 6.3% |
| Age 65 to 74 | 15.8% | 6.3% | 9.6% |
| Age 75 to 84 | 6.3% | 5.5% | 4.5% |
| Age 85 and over | 1.9% | 1.7% | 1.9% |
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| Race | | | |
| | Chelan, WA | Moses Lake, WA | United States |
| White | 78.0% | 53.9% | 59.4% |
| Black | 0.0% | 3.0% | 12.2% |
| Asian | 1.7% | 1.3% | 5.6% |
| Native American | 0.5% | 1.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.1% | 3.2% | 3.2% |
| Hispanic | 18.6% | 37.3% | 18.4% |
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| Marriage & Family | | | |
| | Chelan, WA | Moses Lake, WA | United States |
| Married Population | 54.6% | 42.4% | 49.8% |
| Currently Married | 52.4% | 40.6% | 48.0% |
| Married but Separated | 2.3% | 1.8% | 1.8% |
| Single Population | 45.4% | 57.6% | 50.2% |
| Never Married | 28.5% | 37.6% | 33.8% |
| Divorced | 11.2% | 12.8% | 10.8% |
| Widowed | 5.7% | 7.2% | 5.6% |
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| Household Size | 2.51 | 2.81 | 2.60 |
| Households | 1,673 | 8,748 | 124,010,992 |
| Family Households | 1,015 | 5,352 | 80,755,759 |
| Married couple, w/children | 24.4% | 35.0% | 30.5% |
| Married couple, no children | 54.1% | 29.1% | 42.9% |
| Non Family Households | 658 | 3,396 | 43,255,233 |
| Single householder, w/children | 12.0% | 25.8% | 15.8% |
| Single householder, no children | 9.5% | 10.1% | 10.8% |