| | Worley, ID | Juliaetta, ID | United States |
| Population | 232 | 563 | 329,725,481 |
| Female Population | 46.1% | 54.9% | 50.5% |
| Male Population | 53.9% | 45.1% | 49.5% |
| Median Age | 35.8 | 44.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 259 | 576 | 309,327,143 |
| Population - 2000 | 223 | 609 | 285,036,114 |
| Population - 1990 | 182 | 488 | 251,960,433 |
| Pop. 2000 to Now | 18.8% | -0.3% | 15.6% |
| Pop. 1990 to Now | 45.6% | 24.4% | 30.8% |
| space4 | | | |
| Population Density | 1,195.9 | 806.6 | 93.4 |
| Land Area | 0.2 | 0.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Worley, ID | Juliaetta, ID | United States |
| Age 0 to 4 | 5.2% | 10.3% | 5.9% |
| Age 5 to 9 | 5.2% | 4.1% | 6.1% |
| Age 10 to 14 | 8.2% | 5.2% | 6.6% |
| Age 15 to 17 | 3.4% | 4.1% | 3.9% |
| Age 18 to 20 | 5.2% | 2.5% | 4.0% |
| Age 21 to 24 | 9.5% | 6.8% | 5.2% |
| Age 25 to 34 | 11.6% | 7.5% | 13.8% |
| Age 35 to 44 | 8.2% | 10.3% | 12.9% |
| Age 45 to 54 | 10.8% | 13.1% | 12.6% |
| Age 55 to 59 | 7.3% | 4.6% | 6.7% |
| Age 60 to 64 | 9.1% | 11.5% | 6.3% |
| Age 65 to 74 | 9.5% | 14.2% | 9.6% |
| Age 75 to 84 | 6.9% | 4.1% | 4.5% |
| Age 85 and over | 0.0% | 1.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Worley, ID | Juliaetta, ID | United States |
| White | 53.9% | 86.0% | 59.4% |
| Black | 0.4% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 39.2% | 1.8% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.0% | 7.6% | 3.2% |
| Hispanic | 3.4% | 4.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Worley, ID | Juliaetta, ID | United States |
| Married Population | 40.7% | 50.6% | 49.8% |
| Currently Married | 40.7% | 49.2% | 48.0% |
| Married but Separated | 0.0% | 1.3% | 1.8% |
| Single Population | 59.3% | 49.4% | 50.2% |
| Never Married | 37.6% | 22.7% | 33.8% |
| Divorced | 18.0% | 18.1% | 10.8% |
| Widowed | 3.7% | 8.6% | 5.6% |
| space5 | | | |
| Household Size | 2.64 | 2.20 | 2.60 |
| Households | 88 | 256 | 124,010,992 |
| Family Households | 53 | 158 | 80,755,759 |
| Married couple, w/children | 28.3% | 22.8% | 30.5% |
| Married couple, no children | 26.4% | 48.1% | 42.9% |
| Non Family Households | 35 | 98 | 43,255,233 |
| Single householder, w/children | 30.2% | 20.3% | 15.8% |
| Single householder, no children | 15.1% | 8.9% | 10.8% |