| | Camas, WA | Post Falls, ID | United States |
| Population | 25,774 | 38,162 | 329,725,481 |
| Female Population | 50.8% | 52.1% | 50.5% |
| Male Population | 49.3% | 47.9% | 49.5% |
| Median Age | 41.6 | 34.1 | 38.4 |
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| Population - 2010 | 19,914 | 27,950 | 309,327,143 |
| Population - 2000 | 12,534 | 17,247 | 285,036,114 |
| Population - 1990 | 6,442 | 7,349 | 251,960,433 |
| Pop. 2000 to Now | 107.3% | 125.7% | 15.6% |
| Pop. 1990 to Now | 303.3% | 429.8% | 30.8% |
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| Population Density | 1,848.9 | 2,613.1 | 93.4 |
| Land Area | 13.9 | 14.6 | 3,531,905.4 |
| Water Area | 1.7 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Camas, WA | Post Falls, ID | United States |
| Age 0 to 4 | 4.8% | 8.3% | 5.9% |
| Age 5 to 9 | 7.4% | 7.3% | 6.1% |
| Age 10 to 14 | 8.6% | 8.1% | 6.6% |
| Age 15 to 17 | 6.2% | 5.4% | 3.9% |
| Age 18 to 20 | 3.0% | 3.6% | 4.0% |
| Age 21 to 24 | 2.6% | 4.0% | 5.2% |
| Age 25 to 34 | 9.1% | 14.6% | 13.8% |
| Age 35 to 44 | 14.5% | 14.6% | 12.9% |
| Age 45 to 54 | 17.5% | 9.5% | 12.6% |
| Age 55 to 59 | 6.8% | 6.4% | 6.7% |
| Age 60 to 64 | 6.1% | 5.6% | 6.3% |
| Age 65 to 74 | 9.3% | 8.0% | 9.6% |
| Age 75 to 84 | 3.1% | 3.3% | 4.5% |
| Age 85 and over | 1.0% | 1.4% | 1.9% |
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| Race | | | |
| | Camas, WA | Post Falls, ID | United States |
| White | 76.8% | 87.2% | 59.4% |
| Black | 1.5% | 0.2% | 12.2% |
| Asian | 10.6% | 0.6% | 5.6% |
| Native American | 0.8% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.1% | 0.2% |
| Other | 0.5% | 0.0% | 0.4% |
| Two or More Races | 5.9% | 5.2% | 3.2% |
| Hispanic | 3.8% | 6.4% | 18.4% |
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| Marriage & Family | | | |
| | Camas, WA | Post Falls, ID | United States |
| Married Population | 66.1% | 52.1% | 49.8% |
| Currently Married | 65.5% | 50.6% | 48.0% |
| Married but Separated | 0.6% | 1.5% | 1.8% |
| Single Population | 33.9% | 47.9% | 50.2% |
| Never Married | 22.2% | 28.0% | 33.8% |
| Divorced | 8.7% | 14.3% | 10.8% |
| Widowed | 3.0% | 5.7% | 5.6% |
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| Household Size | 2.88 | 2.84 | 2.60 |
| Households | 8,923 | 13,352 | 124,010,992 |
| Family Households | 7,215 | 9,662 | 80,755,759 |
| Married couple, w/children | 44.9% | 34.6% | 30.5% |
| Married couple, no children | 43.2% | 38.1% | 42.9% |
| Non Family Households | 1,708 | 3,690 | 43,255,233 |
| Single householder, w/children | 7.6% | 15.9% | 15.8% |
| Single householder, no children | 4.3% | 11.4% | 10.8% |