| | St. John, WA | Woodburn, OR | United States |
| Population | 608 | 25,877 | 329,725,481 |
| Female Population | 53.6% | 53.7% | 50.5% |
| Male Population | 46.4% | 46.4% | 49.5% |
| Median Age | 55.2 | 38.6 | 38.4 |
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| Population - 2010 | 543 | 24,157 | 309,327,143 |
| Population - 2000 | 548 | 20,100 | 285,036,114 |
| Population - 1990 | 499 | 13,404 | 251,960,433 |
| Pop. 2000 to Now | -0.2% | 30.2% | 15.6% |
| Pop. 1990 to Now | 9.6% | 95.3% | 30.8% |
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| Population Density | 906.1 | 4,823.3 | 93.4 |
| Land Area | 0.7 | 5.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | St. John, WA | Woodburn, OR | United States |
| Age 0 to 4 | 5.6% | 6.9% | 5.9% |
| Age 5 to 9 | 4.1% | 8.4% | 6.1% |
| Age 10 to 14 | 8.7% | 8.5% | 6.6% |
| Age 15 to 17 | 4.8% | 4.3% | 3.9% |
| Age 18 to 20 | 0.7% | 3.3% | 4.0% |
| Age 21 to 24 | 0.0% | 4.8% | 5.2% |
| Age 25 to 34 | 11.2% | 10.5% | 13.8% |
| Age 35 to 44 | 8.7% | 12.6% | 12.9% |
| Age 45 to 54 | 4.6% | 11.5% | 12.6% |
| Age 55 to 59 | 13.0% | 6.6% | 6.7% |
| Age 60 to 64 | 9.0% | 4.9% | 6.3% |
| Age 65 to 74 | 13.8% | 9.6% | 9.6% |
| Age 75 to 84 | 12.3% | 5.0% | 4.5% |
| Age 85 and over | 3.5% | 3.3% | 1.9% |
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| Race | | | |
| | St. John, WA | Woodburn, OR | United States |
| White | 90.8% | 38.2% | 59.4% |
| Black | 4.4% | 0.8% | 12.2% |
| Asian | 0.2% | 1.4% | 5.6% |
| Native American | 0.0% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 1.0% | 2.6% | 3.2% |
| Hispanic | 3.6% | 56.3% | 18.4% |
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| Marriage & Family | | | |
| | St. John, WA | Woodburn, OR | United States |
| Married Population | 55.8% | 50.4% | 49.8% |
| Currently Married | 55.4% | 47.6% | 48.0% |
| Married but Separated | 0.4% | 2.9% | 1.8% |
| Single Population | 44.2% | 49.6% | 50.2% |
| Never Married | 16.7% | 28.8% | 33.8% |
| Divorced | 20.2% | 13.3% | 10.8% |
| Widowed | 7.3% | 7.4% | 5.6% |
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| Household Size | 2.66 | 2.99 | 2.60 |
| Households | 229 | 8,605 | 124,010,992 |
| Family Households | 149 | 5,902 | 80,755,759 |
| Married couple, w/children | 32.2% | 32.0% | 30.5% |
| Married couple, no children | 58.4% | 37.4% | 42.9% |
| Non Family Households | 80 | 2,703 | 43,255,233 |
| Single householder, w/children | 6.0% | 19.6% | 15.8% |
| Single householder, no children | 3.4% | 11.0% | 10.8% |