| | Ash Fork, AZ | Mad River, CA | United States |
| Population | 652 | 347 | 329,725,481 |
| Female Population | 44.6% | 32.3% | 50.5% |
| Male Population | 55.4% | 67.7% | 49.5% |
| Median Age | 30.5 | 58 | 38.4 |
| space3 | | | |
| Population - 2010 | 455 | 366 | 309,327,143 |
| Population - 2000 | 457 | 298 | 285,036,114 |
| Population - 1990 | 207 | 305 | 251,960,433 |
| Pop. 2000 to Now | 96.1% | 51.0% | 15.6% |
| Pop. 1990 to Now | 332.9% | 47.5% | 30.8% |
| space4 | | | |
| Population Density | 282.5 | 9.8 | 93.4 |
| Land Area | 2.3 | 35.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Ash Fork, AZ | Mad River, CA | United States |
| Age 0 to 4 | 20.7% | 9.5% | 5.9% |
| Age 5 to 9 | 4.1% | 3.5% | 6.1% |
| Age 10 to 14 | 6.4% | 6.3% | 6.6% |
| Age 15 to 17 | 4.8% | 0.6% | 3.9% |
| Age 18 to 20 | 1.5% | 0.0% | 4.0% |
| Age 21 to 24 | 0.0% | 0.0% | 5.2% |
| Age 25 to 34 | 14.7% | 18.7% | 13.8% |
| Age 35 to 44 | 11.4% | 5.8% | 12.9% |
| Age 45 to 54 | 8.3% | 3.5% | 12.6% |
| Age 55 to 59 | 6.3% | 22.8% | 6.7% |
| Age 60 to 64 | 7.1% | 1.4% | 6.3% |
| Age 65 to 74 | 4.8% | 12.1% | 9.6% |
| Age 75 to 84 | 8.0% | 15.9% | 4.5% |
| Age 85 and over | 2.0% | 0.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Ash Fork, AZ | Mad River, CA | United States |
| White | 71.8% | 76.4% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 2.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 10.1% | 2.3% | 0.4% |
| Two or More Races | 0.0% | 11.2% | 3.2% |
| Hispanic | 18.1% | 7.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Ash Fork, AZ | Mad River, CA | United States |
| Married Population | 68.8% | 43.9% | 49.8% |
| Currently Married | 65.2% | 43.9% | 48.0% |
| Married but Separated | 3.6% | 0.0% | 1.8% |
| Single Population | 31.3% | 56.1% | 50.2% |
| Never Married | 13.4% | 45.4% | 33.8% |
| Divorced | 11.6% | 3.9% | 10.8% |
| Widowed | 6.3% | 6.8% | 5.6% |
| space5 | | | |
| Household Size | 2.96 | 2.36 | 2.60 |
| Households | 220 | 147 | 124,010,992 |
| Family Households | 164 | 74 | 80,755,759 |
| Married couple, w/children | 45.1% | 12.2% | 30.5% |
| Married couple, no children | 45.7% | 64.9% | 42.9% |
| Non Family Households | 56 | 73 | 43,255,233 |
| Single householder, w/children | 9.1% | 5.4% | 15.8% |
| Single householder, no children | 0.0% | 17.6% | 10.8% |