| | Chinle, AZ | Peridot, AZ | United States |
| Population | 3,771 | 1,603 | 329,725,481 |
| Female Population | 52.3% | 53.3% | 50.5% |
| Male Population | 47.7% | 46.7% | 49.5% |
| Median Age | 29.1 | 24.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 4,322 | 1,114 | 309,327,143 |
| Population - 2000 | 5,366 | 1,266 | 285,036,114 |
| Population - 1990 | 5,059 | 957 | 251,960,433 |
| Pop. 2000 to Now | 7.5% | 34.8% | 15.6% |
| Pop. 1990 to Now | 14.0% | 78.3% | 30.8% |
| space4 | | | |
| Population Density | 235.3 | 312.1 | 93.4 |
| Land Area | 16.0 | 5.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Chinle, AZ | Peridot, AZ | United States |
| Age 0 to 4 | 9.3% | 11.7% | 5.9% |
| Age 5 to 9 | 11.3% | 8.4% | 6.1% |
| Age 10 to 14 | 13.2% | 10.9% | 6.6% |
| Age 15 to 17 | 7.6% | 9.1% | 3.9% |
| Age 18 to 20 | 2.6% | 3.0% | 4.0% |
| Age 21 to 24 | 3.8% | 8.3% | 5.2% |
| Age 25 to 34 | 10.2% | 15.2% | 13.8% |
| Age 35 to 44 | 17.5% | 9.7% | 12.9% |
| Age 45 to 54 | 7.0% | 8.0% | 12.6% |
| Age 55 to 59 | 3.6% | 0.6% | 6.7% |
| Age 60 to 64 | 5.6% | 5.6% | 6.3% |
| Age 65 to 74 | 4.5% | 6.1% | 9.6% |
| Age 75 to 84 | 2.4% | 1.9% | 4.5% |
| Age 85 and over | 1.3% | 1.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Chinle, AZ | Peridot, AZ | United States |
| White | 4.0% | 3.4% | 59.4% |
| Black | 0.3% | 0.0% | 12.2% |
| Asian | 3.5% | 0.0% | 5.6% |
| Native American | 90.2% | 91.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.7% | 0.0% | 3.2% |
| Hispanic | 1.3% | 5.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Chinle, AZ | Peridot, AZ | United States |
| Married Population | 34.3% | 29.8% | 49.8% |
| Currently Married | 33.4% | 29.1% | 48.0% |
| Married but Separated | 0.9% | 0.7% | 1.8% |
| Single Population | 65.7% | 70.2% | 50.2% |
| Never Married | 56.9% | 57.6% | 33.8% |
| Divorced | 5.2% | 6.3% | 10.8% |
| Widowed | 3.6% | 6.2% | 5.6% |
| space5 | | | |
| Household Size | 3.43 | 5.70 | 2.60 |
| Households | 1,073 | 281 | 124,010,992 |
| Family Households | 657 | 245 | 80,755,759 |
| Married couple, w/children | 32.7% | 42.0% | 30.5% |
| Married couple, no children | 21.6% | 10.2% | 42.9% |
| Non Family Households | 416 | 36 | 43,255,233 |
| Single householder, w/children | 39.0% | 34.3% | 15.8% |
| Single householder, no children | 6.7% | 13.5% | 10.8% |