| | Green Valley (Los Angeles County), CA | Rosemead, CA | United States |
| Population | 993 | 51,698 | 329,725,481 |
| Female Population | 47.3% | 49.5% | 50.5% |
| Male Population | 52.7% | 50.5% | 49.5% |
| Median Age | 45.6 | 41.8 | 38.4 |
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| Population - 2010 | 1,181 | 53,786 | 309,327,143 |
| Population - 2000 | 1,073 | 53,505 | 285,036,114 |
| Population - 1990 | 906 | 51,638 | 251,960,433 |
| Pop. 2000 to Now | -5.3% | -0.8% | 15.6% |
| Pop. 1990 to Now | 12.1% | 2.8% | 30.8% |
| space4 | | | |
| Population Density | 77.5 | 10,015.1 | 93.4 |
| Land Area | 12.8 | 5.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Green Valley (Los Angeles County), CA | Rosemead, CA | United States |
| Age 0 to 4 | 2.8% | 5.5% | 5.9% |
| Age 5 to 9 | 5.1% | 4.2% | 6.1% |
| Age 10 to 14 | 5.2% | 5.6% | 6.6% |
| Age 15 to 17 | 2.8% | 4.1% | 3.9% |
| Age 18 to 20 | 0.0% | 3.1% | 4.0% |
| Age 21 to 24 | 4.5% | 5.3% | 5.2% |
| Age 25 to 34 | 14.6% | 13.3% | 13.8% |
| Age 35 to 44 | 12.8% | 12.3% | 12.9% |
| Age 45 to 54 | 14.4% | 14.4% | 12.6% |
| Age 55 to 59 | 10.2% | 7.6% | 6.7% |
| Age 60 to 64 | 9.1% | 6.8% | 6.3% |
| Age 65 to 74 | 14.2% | 10.4% | 9.6% |
| Age 75 to 84 | 4.2% | 4.7% | 4.5% |
| Age 85 and over | 0.0% | 2.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Green Valley (Los Angeles County), CA | Rosemead, CA | United States |
| White | 81.3% | 3.6% | 59.4% |
| Black | 0.0% | 0.4% | 12.2% |
| Asian | 1.0% | 64.2% | 5.6% |
| Native American | 0.0% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 1.8% | 1.3% | 3.2% |
| Hispanic | 15.9% | 30.1% | 18.4% |
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| Marriage & Family | | | |
| | Green Valley (Los Angeles County), CA | Rosemead, CA | United States |
| Married Population | 49.2% | 50.6% | 49.8% |
| Currently Married | 47.4% | 49.3% | 48.0% |
| Married but Separated | 1.7% | 1.2% | 1.8% |
| Single Population | 50.8% | 49.4% | 50.2% |
| Never Married | 34.0% | 36.9% | 33.8% |
| Divorced | 16.0% | 7.2% | 10.8% |
| Widowed | 0.8% | 5.4% | 5.6% |
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| Household Size | 2.39 | 3.67 | 2.60 |
| Households | 416 | 13,927 | 124,010,992 |
| Family Households | 260 | 11,485 | 80,755,759 |
| Married couple, w/children | 15.8% | 31.4% | 30.5% |
| Married couple, no children | 62.7% | 37.9% | 42.9% |
| Non Family Households | 156 | 2,442 | 43,255,233 |
| Single householder, w/children | 16.9% | 12.3% | 15.8% |
| Single householder, no children | 4.6% | 18.4% | 10.8% |