| | Walla Walla East, WA | Ontario, OR | United States |
| Population | 2,062 | 11,465 | 329,725,481 |
| Female Population | 58.5% | 52.4% | 50.5% |
| Male Population | 41.5% | 47.6% | 49.5% |
| Median Age | 48.5 | 34.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,248 | 11,373 | 309,327,143 |
| Population - 2000 | 2,479 | 10,985 | 285,036,114 |
| Population - 1990 | 2,959 | 9,392 | 251,960,433 |
| Pop. 2000 to Now | -22.6% | 1.4% | 15.6% |
| Pop. 1990 to Now | -35.2% | 18.6% | 30.8% |
| space4 | | | |
| Population Density | 1,589.8 | 2,219.8 | 93.4 |
| Land Area | 1.3 | 5.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Walla Walla East, WA | Ontario, OR | United States |
| Age 0 to 4 | 10.6% | 7.3% | 5.9% |
| Age 5 to 9 | 4.4% | 7.0% | 6.1% |
| Age 10 to 14 | 6.5% | 8.8% | 6.6% |
| Age 15 to 17 | 3.9% | 3.6% | 3.9% |
| Age 18 to 20 | 1.1% | 5.7% | 4.0% |
| Age 21 to 24 | 1.6% | 4.5% | 5.2% |
| Age 25 to 34 | 5.3% | 14.0% | 13.8% |
| Age 35 to 44 | 14.5% | 10.1% | 12.9% |
| Age 45 to 54 | 7.9% | 8.5% | 12.6% |
| Age 55 to 59 | 7.8% | 5.7% | 6.7% |
| Age 60 to 64 | 11.3% | 6.5% | 6.3% |
| Age 65 to 74 | 14.2% | 9.1% | 9.6% |
| Age 75 to 84 | 6.3% | 4.0% | 4.5% |
| Age 85 and over | 4.7% | 5.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Walla Walla East, WA | Ontario, OR | United States |
| White | 88.3% | 48.0% | 59.4% |
| Black | 0.5% | 0.2% | 12.2% |
| Asian | 1.4% | 1.2% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.2% | 1.9% | 3.2% |
| Hispanic | 7.6% | 48.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Walla Walla East, WA | Ontario, OR | United States |
| Married Population | 71.8% | 41.6% | 49.8% |
| Currently Married | 71.8% | 38.8% | 48.0% |
| Married but Separated | 0.0% | 2.8% | 1.8% |
| Single Population | 28.2% | 58.4% | 50.2% |
| Never Married | 10.7% | 34.0% | 33.8% |
| Divorced | 13.6% | 14.0% | 10.8% |
| Widowed | 4.0% | 10.4% | 5.6% |
| space5 | | | |
| Household Size | 2.43 | 2.54 | 2.60 |
| Households | 848 | 4,405 | 124,010,992 |
| Family Households | 640 | 2,453 | 80,755,759 |
| Married couple, w/children | 30.5% | 28.0% | 30.5% |
| Married couple, no children | 60.2% | 38.1% | 42.9% |
| Non Family Households | 208 | 1,952 | 43,255,233 |
| Single householder, w/children | 9.4% | 22.4% | 15.8% |
| Single householder, no children | 0.0% | 11.5% | 10.8% |