| | Rio Oso, CA | Homedale, ID | United States |
| Population | 394 | 2,845 | 329,725,481 |
| Female Population | 54.1% | 47.6% | 50.5% |
| Male Population | 45.9% | 52.4% | 49.5% |
| Median Age | 36.5 | 29.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 333 | 2,632 | 309,327,143 |
| Population - 2000 | 342 | 2,528 | 285,036,114 |
| Population - 1990 | 402 | 1,963 | 251,960,433 |
| Pop. 2000 to Now | 24.6% | 12.0% | 15.6% |
| Pop. 1990 to Now | 6.0% | 44.2% | 30.8% |
| space4 | | | |
| Population Density | 60.4 | 2,014.9 | 93.4 |
| Land Area | 6.5 | 1.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Rio Oso, CA | Homedale, ID | United States |
| Age 0 to 4 | 7.1% | 3.4% | 5.9% |
| Age 5 to 9 | 4.8% | 12.4% | 6.1% |
| Age 10 to 14 | 13.2% | 11.6% | 6.6% |
| Age 15 to 17 | 9.6% | 4.4% | 3.9% |
| Age 18 to 20 | 4.1% | 5.2% | 4.0% |
| Age 21 to 24 | 2.8% | 4.0% | 5.2% |
| Age 25 to 34 | 5.6% | 12.7% | 13.8% |
| Age 35 to 44 | 14.2% | 11.6% | 12.9% |
| Age 45 to 54 | 6.6% | 10.5% | 12.6% |
| Age 55 to 59 | 5.6% | 6.1% | 6.7% |
| Age 60 to 64 | 6.9% | 4.7% | 6.3% |
| Age 65 to 74 | 10.2% | 8.1% | 9.6% |
| Age 75 to 84 | 6.3% | 3.2% | 4.5% |
| Age 85 and over | 3.0% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Rio Oso, CA | Homedale, ID | United States |
| White | 89.6% | 44.6% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 7.9% | 0.9% | 5.6% |
| Native American | 0.0% | 1.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.3% | 1.3% | 3.2% |
| Hispanic | 1.3% | 52.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Rio Oso, CA | Homedale, ID | United States |
| Married Population | 49.8% | 41.9% | 49.8% |
| Currently Married | 47.5% | 36.2% | 48.0% |
| Married but Separated | 2.4% | 5.7% | 1.8% |
| Single Population | 50.2% | 58.1% | 50.2% |
| Never Married | 29.5% | 35.4% | 33.8% |
| Divorced | 14.2% | 12.8% | 10.8% |
| Widowed | 6.4% | 9.9% | 5.6% |
| space5 | | | |
| Household Size | 3.58 | 2.83 | 2.60 |
| Households | 110 | 995 | 124,010,992 |
| Family Households | 93 | 706 | 80,755,759 |
| Married couple, w/children | 24.7% | 22.7% | 30.5% |
| Married couple, no children | 32.3% | 26.1% | 42.9% |
| Non Family Households | 17 | 289 | 43,255,233 |
| Single householder, w/children | 36.6% | 30.7% | 15.8% |
| Single householder, no children | 6.5% | 20.5% | 10.8% |