| | Creston, WA | Reardan, WA | United States |
| Population | 218 | 545 | 329,725,481 |
| Female Population | 44.0% | 40.0% | 50.5% |
| Male Population | 56.0% | 60.0% | 49.5% |
| Median Age | 54.4 | 42.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 233 | 570 | 309,327,143 |
| Population - 2000 | 232 | 608 | 285,036,114 |
| Population - 1990 | 230 | 482 | 251,960,433 |
| Pop. 2000 to Now | 0.0% | 2.1% | 15.6% |
| Pop. 1990 to Now | 0.9% | 28.8% | 30.8% |
| space4 | | | |
| Population Density | 531.7 | 1,094.4 | 93.4 |
| Land Area | 0.4 | 0.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Creston, WA | Reardan, WA | United States |
| Age 0 to 4 | 1.4% | 2.8% | 5.9% |
| Age 5 to 9 | 0.0% | 6.4% | 6.1% |
| Age 10 to 14 | 3.7% | 8.4% | 6.6% |
| Age 15 to 17 | 6.0% | 1.1% | 3.9% |
| Age 18 to 20 | 3.2% | 2.0% | 4.0% |
| Age 21 to 24 | 3.2% | 3.9% | 5.2% |
| Age 25 to 34 | 8.7% | 10.3% | 13.8% |
| Age 35 to 44 | 10.6% | 15.8% | 12.9% |
| Age 45 to 54 | 16.5% | 5.5% | 12.6% |
| Age 55 to 59 | 6.0% | 12.7% | 6.7% |
| Age 60 to 64 | 11.5% | 7.5% | 6.3% |
| Age 65 to 74 | 13.3% | 8.4% | 9.6% |
| Age 75 to 84 | 13.8% | 11.6% | 4.5% |
| Age 85 and over | 2.3% | 3.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Creston, WA | Reardan, WA | United States |
| White | 89.9% | 87.9% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 3.7% | 1.5% | 0.6% |
| Hawaiian, Pacific Islander | 1.4% | 0.0% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 4.1% | 1.7% | 3.2% |
| Hispanic | 0.9% | 8.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Creston, WA | Reardan, WA | United States |
| Married Population | 56.0% | 67.7% | 49.8% |
| Currently Married | 56.0% | 67.7% | 48.0% |
| Married but Separated | 0.0% | 0.0% | 1.8% |
| Single Population | 44.0% | 32.3% | 50.2% |
| Never Married | 25.6% | 18.3% | 33.8% |
| Divorced | 11.6% | 7.4% | 10.8% |
| Widowed | 6.8% | 6.7% | 5.6% |
| space5 | | | |
| Household Size | 1.85 | 2.06 | 2.60 |
| Households | 118 | 264 | 124,010,992 |
| Family Households | 63 | 144 | 80,755,759 |
| Married couple, w/children | 23.8% | 23.6% | 30.5% |
| Married couple, no children | 66.7% | 74.3% | 42.9% |
| Non Family Households | 55 | 120 | 43,255,233 |
| Single householder, w/children | 1.6% | 0.0% | 15.8% |
| Single householder, no children | 7.9% | 2.1% | 10.8% |