| | Pawhuska, OK | Washougal, WA | United States |
| Population | 3,066 | 16,664 | 329,725,481 |
| Female Population | 51.0% | 51.4% | 50.5% |
| Male Population | 49.0% | 48.6% | 49.5% |
| Median Age | 41.2 | 38.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,688 | 14,193 | 309,327,143 |
| Population - 2000 | 3,629 | 8,595 | 285,036,114 |
| Population - 1990 | 3,825 | 4,764 | 251,960,433 |
| Pop. 2000 to Now | -7.1% | 87.5% | 15.6% |
| Pop. 1990 to Now | -11.9% | 238.2% | 30.8% |
| space4 | | | |
| Population Density | 844.2 | 3,045.9 | 93.4 |
| Land Area | 3.6 | 5.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.9 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Pawhuska, OK | Washougal, WA | United States |
| Age 0 to 4 | 3.2% | 4.9% | 5.9% |
| Age 5 to 9 | 6.8% | 6.9% | 6.1% |
| Age 10 to 14 | 6.7% | 6.9% | 6.6% |
| Age 15 to 17 | 4.2% | 4.3% | 3.9% |
| Age 18 to 20 | 4.7% | 3.8% | 4.0% |
| Age 21 to 24 | 3.1% | 2.7% | 5.2% |
| Age 25 to 34 | 15.2% | 15.2% | 13.8% |
| Age 35 to 44 | 12.5% | 13.6% | 12.9% |
| Age 45 to 54 | 13.1% | 14.6% | 12.6% |
| Age 55 to 59 | 7.0% | 6.6% | 6.7% |
| Age 60 to 64 | 8.5% | 5.4% | 6.3% |
| Age 65 to 74 | 8.1% | 10.3% | 9.6% |
| Age 75 to 84 | 4.8% | 2.8% | 4.5% |
| Age 85 and over | 2.1% | 2.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Pawhuska, OK | Washougal, WA | United States |
| White | 62.9% | 84.7% | 59.4% |
| Black | 1.0% | 0.9% | 12.2% |
| Asian | 0.3% | 2.2% | 5.6% |
| Native American | 25.4% | 0.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 8.5% | 3.6% | 3.2% |
| Hispanic | 1.9% | 8.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Pawhuska, OK | Washougal, WA | United States |
| Married Population | 49.2% | 51.3% | 49.8% |
| Currently Married | 47.6% | 49.9% | 48.0% |
| Married but Separated | 1.6% | 1.4% | 1.8% |
| Single Population | 50.8% | 48.7% | 50.2% |
| Never Married | 27.4% | 30.1% | 33.8% |
| Divorced | 14.3% | 13.5% | 10.8% |
| Widowed | 9.1% | 5.1% | 5.6% |
| space5 | | | |
| Household Size | 2.42 | 2.76 | 2.60 |
| Households | 1,180 | 6,027 | 124,010,992 |
| Family Households | 714 | 4,216 | 80,755,759 |
| Married couple, w/children | 19.6% | 36.5% | 30.5% |
| Married couple, no children | 54.9% | 40.5% | 42.9% |
| Non Family Households | 466 | 1,811 | 43,255,233 |
| Single householder, w/children | 15.5% | 13.9% | 15.8% |
| Single householder, no children | 9.9% | 9.2% | 10.8% |