| | Grand View, ID | Rockland, ID | United States |
| Population | 342 | 133 | 329,725,481 |
| Female Population | 48.0% | 57.9% | 50.5% |
| Male Population | 52.1% | 42.1% | 49.5% |
| Median Age | 47.4 | 46.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 446 | 294 | 309,327,143 |
| Population - 2000 | 470 | 316 | 285,036,114 |
| Population - 1990 | 330 | 264 | 251,960,433 |
| Pop. 2000 to Now | 1.7% | -11.7% | 15.6% |
| Pop. 1990 to Now | 44.9% | 5.7% | 30.8% |
| space4 | | | |
| Population Density | 594.8 | 475.0 | 93.4 |
| Land Area | 0.6 | 0.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Grand View, ID | Rockland, ID | United States |
| Age 0 to 4 | 7.0% | 4.5% | 5.9% |
| Age 5 to 9 | 2.0% | 12.0% | 6.1% |
| Age 10 to 14 | 10.8% | 2.3% | 6.6% |
| Age 15 to 17 | 2.6% | 3.8% | 3.9% |
| Age 18 to 20 | 1.5% | 6.8% | 4.0% |
| Age 21 to 24 | 5.8% | 0.0% | 5.2% |
| Age 25 to 34 | 9.4% | 6.8% | 13.8% |
| Age 35 to 44 | 9.1% | 12.0% | 12.9% |
| Age 45 to 54 | 15.5% | 4.5% | 12.6% |
| Age 55 to 59 | 7.9% | 6.8% | 6.7% |
| Age 60 to 64 | 5.3% | 11.3% | 6.3% |
| Age 65 to 74 | 16.1% | 24.1% | 9.6% |
| Age 75 to 84 | 7.0% | 5.3% | 4.5% |
| Age 85 and over | 0.0% | 0.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Grand View, ID | Rockland, ID | United States |
| White | 73.7% | 96.2% | 59.4% |
| Black | 2.3% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.6% | 2.3% | 3.2% |
| Hispanic | 21.3% | 1.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Grand View, ID | Rockland, ID | United States |
| Married Population | 52.2% | 71.3% | 49.8% |
| Currently Married | 47.8% | 71.3% | 48.0% |
| Married but Separated | 4.4% | 0.0% | 1.8% |
| Single Population | 47.8% | 28.7% | 50.2% |
| Never Married | 19.7% | 20.4% | 33.8% |
| Divorced | 19.3% | 1.9% | 10.8% |
| Widowed | 8.8% | 6.5% | 5.6% |
| space5 | | | |
| Household Size | 2.16 | 2.46 | 2.60 |
| Households | 158 | 54 | 124,010,992 |
| Family Households | 86 | 43 | 80,755,759 |
| Married couple, w/children | 16.3% | 20.9% | 30.5% |
| Married couple, no children | 54.7% | 65.1% | 42.9% |
| Non Family Households | 72 | 11 | 43,255,233 |
| Single householder, w/children | 17.4% | 14.0% | 15.8% |
| Single householder, no children | 11.6% | 0.0% | 10.8% |