| | Elma, WA | Port Orchard, WA | United States |
| Population | 3,390 | 15,315 | 329,725,481 |
| Female Population | 53.1% | 49.8% | 50.5% |
| Male Population | 46.9% | 50.2% | 49.5% |
| Median Age | 41.7 | 34.2 | 38.4 |
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| Population - 2010 | 3,294 | 12,220 | 309,327,143 |
| Population - 2000 | 3,049 | 7,693 | 285,036,114 |
| Population - 1990 | 3,011 | 4,984 | 251,960,433 |
| Pop. 2000 to Now | 10.8% | 91.3% | 15.6% |
| Pop. 1990 to Now | 12.2% | 195.3% | 30.8% |
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| Population Density | 1,329.4 | 1,586.6 | 93.4 |
| Land Area | 2.6 | 9.7 | 3,531,905.4 |
| Water Area | 0.0 | 1.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Elma, WA | Port Orchard, WA | United States |
| Age 0 to 4 | 5.5% | 8.1% | 5.9% |
| Age 5 to 9 | 3.8% | 9.1% | 6.1% |
| Age 10 to 14 | 8.0% | 5.6% | 6.6% |
| Age 15 to 17 | 0.9% | 2.5% | 3.9% |
| Age 18 to 20 | 3.8% | 2.6% | 4.0% |
| Age 21 to 24 | 5.6% | 4.0% | 5.2% |
| Age 25 to 34 | 12.0% | 19.5% | 13.8% |
| Age 35 to 44 | 12.6% | 13.2% | 12.9% |
| Age 45 to 54 | 6.9% | 9.1% | 12.6% |
| Age 55 to 59 | 6.4% | 6.9% | 6.7% |
| Age 60 to 64 | 12.4% | 5.2% | 6.3% |
| Age 65 to 74 | 14.1% | 8.0% | 9.6% |
| Age 75 to 84 | 7.9% | 3.3% | 4.5% |
| Age 85 and over | 0.0% | 2.9% | 1.9% |
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| Race | | | |
| | Elma, WA | Port Orchard, WA | United States |
| White | 92.7% | 69.3% | 59.4% |
| Black | 0.0% | 2.0% | 12.2% |
| Asian | 0.5% | 4.9% | 5.6% |
| Native American | 0.0% | 0.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 2.1% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.6% | 8.3% | 3.2% |
| Hispanic | 3.2% | 12.9% | 18.4% |
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| Marriage & Family | | | |
| | Elma, WA | Port Orchard, WA | United States |
| Married Population | 53.4% | 58.6% | 49.8% |
| Currently Married | 51.5% | 57.6% | 48.0% |
| Married but Separated | 1.8% | 0.9% | 1.8% |
| Single Population | 46.6% | 41.4% | 50.2% |
| Never Married | 23.7% | 23.4% | 33.8% |
| Divorced | 18.0% | 12.1% | 10.8% |
| Widowed | 4.9% | 5.9% | 5.6% |
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| Household Size | 2.52 | 2.47 | 2.60 |
| Households | 1,328 | 5,886 | 124,010,992 |
| Family Households | 836 | 4,154 | 80,755,759 |
| Married couple, w/children | 18.1% | 39.0% | 30.5% |
| Married couple, no children | 53.7% | 41.1% | 42.9% |
| Non Family Households | 492 | 1,732 | 43,255,233 |
| Single householder, w/children | 25.8% | 16.8% | 15.8% |
| Single householder, no children | 2.4% | 3.1% | 10.8% |