| | Yankee Hill, CA | New River, AZ | United States |
| Population | 327 | 17,731 | 329,725,481 |
| Female Population | 42.5% | 52.1% | 50.5% |
| Male Population | 57.5% | 47.9% | 49.5% |
| Median Age | 55.6 | 49 | 38.4 |
| space3 | | | |
| Population - 2010 | 284 | 11,710 | 309,327,143 |
| Population - 2000 | 301 | 10,740 | 285,036,114 |
| Population - 1990 | 264 | 3,677 | 251,960,433 |
| Pop. 2000 to Now | 15.0% | 51.6% | 15.6% |
| Pop. 1990 to Now | 31.1% | 342.9% | 30.8% |
| space4 | | | |
| Population Density | 54.3 | 315.9 | 93.4 |
| Land Area | 6.0 | 56.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Yankee Hill, CA | New River, AZ | United States |
| Age 0 to 4 | 5.2% | 4.9% | 5.9% |
| Age 5 to 9 | 7.3% | 4.8% | 6.1% |
| Age 10 to 14 | 0.0% | 5.5% | 6.6% |
| Age 15 to 17 | 0.0% | 4.5% | 3.9% |
| Age 18 to 20 | 0.0% | 2.4% | 4.0% |
| Age 21 to 24 | 0.0% | 2.6% | 5.2% |
| Age 25 to 34 | 11.9% | 6.7% | 13.8% |
| Age 35 to 44 | 8.6% | 11.1% | 12.9% |
| Age 45 to 54 | 11.3% | 19.3% | 12.6% |
| Age 55 to 59 | 10.7% | 12.2% | 6.7% |
| Age 60 to 64 | 23.9% | 7.0% | 6.3% |
| Age 65 to 74 | 16.2% | 13.8% | 9.6% |
| Age 75 to 84 | 4.9% | 4.5% | 4.5% |
| Age 85 and over | 0.0% | 0.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Yankee Hill, CA | New River, AZ | United States |
| White | 56.6% | 87.7% | 59.4% |
| Black | 0.0% | 1.0% | 12.2% |
| Asian | 0.0% | 1.6% | 5.6% |
| Native American | 8.3% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 0.9% | 1.3% | 3.2% |
| Hispanic | 34.3% | 8.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Yankee Hill, CA | New River, AZ | United States |
| Married Population | 51.0% | 63.7% | 49.8% |
| Currently Married | 48.6% | 63.6% | 48.0% |
| Married but Separated | 2.4% | 0.1% | 1.8% |
| Single Population | 49.0% | 36.3% | 50.2% |
| Never Married | 35.7% | 17.8% | 33.8% |
| Divorced | 7.3% | 13.9% | 10.8% |
| Widowed | 5.9% | 4.6% | 5.6% |
| space5 | | | |
| Household Size | 2.14 | 2.59 | 2.60 |
| Households | 153 | 6,812 | 124,010,992 |
| Family Households | 89 | 4,959 | 80,755,759 |
| Married couple, w/children | 0.0% | 35.8% | 30.5% |
| Married couple, no children | 64.0% | 56.0% | 42.9% |
| Non Family Households | 64 | 1,853 | 43,255,233 |
| Single householder, w/children | 16.9% | 4.1% | 15.8% |
| Single householder, no children | 19.1% | 4.1% | 10.8% |