| | Mountainair, NM | Jemez Pueblo, NM | United States |
| Population | 1,032 | 1,986 | 329,725,481 |
| Female Population | 43.5% | 57.0% | 50.5% |
| Male Population | 56.5% | 43.1% | 49.5% |
| Median Age | 34.1 | 32.9 | 38.4 |
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| Population - 2010 | 941 | 1,918 | 309,327,143 |
| Population - 2000 | 1,116 | 1,953 | 285,036,114 |
| Population - 1990 | 926 | 1,301 | 251,960,433 |
| Pop. 2000 to Now | -22.0% | 11.3% | 15.6% |
| Pop. 1990 to Now | -5.9% | 67.0% | 30.8% |
| space4 | | | |
| Population Density | 979.1 | 972.6 | 93.4 |
| Land Area | 1.1 | 2.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Mountainair, NM | Jemez Pueblo, NM | United States |
| Age 0 to 4 | 1.4% | 6.2% | 5.9% |
| Age 5 to 9 | 9.9% | 6.7% | 6.1% |
| Age 10 to 14 | 5.9% | 17.0% | 6.6% |
| Age 15 to 17 | 7.6% | 2.4% | 3.9% |
| Age 18 to 20 | 14.1% | 3.2% | 4.0% |
| Age 21 to 24 | 7.9% | 3.1% | 5.2% |
| Age 25 to 34 | 3.9% | 13.1% | 13.8% |
| Age 35 to 44 | 10.5% | 12.2% | 12.9% |
| Age 45 to 54 | 9.3% | 8.9% | 12.6% |
| Age 55 to 59 | 2.4% | 6.6% | 6.7% |
| Age 60 to 64 | 4.5% | 8.3% | 6.3% |
| Age 65 to 74 | 16.5% | 8.9% | 9.6% |
| Age 75 to 84 | 6.2% | 2.7% | 4.5% |
| Age 85 and over | 0.0% | 0.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Mountainair, NM | Jemez Pueblo, NM | United States |
| White | 41.4% | 0.3% | 59.4% |
| Black | 9.8% | 0.0% | 12.2% |
| Asian | 2.4% | 0.0% | 5.6% |
| Native American | 0.0% | 99.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.3% | 0.2% | 3.2% |
| Hispanic | 43.1% | 0.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Mountainair, NM | Jemez Pueblo, NM | United States |
| Married Population | 41.9% | 30.2% | 49.8% |
| Currently Married | 39.5% | 29.7% | 48.0% |
| Married but Separated | 2.3% | 0.5% | 1.8% |
| Single Population | 58.1% | 69.8% | 50.2% |
| Never Married | 38.2% | 57.6% | 33.8% |
| Divorced | 16.7% | 6.2% | 10.8% |
| Widowed | 3.2% | 6.0% | 5.6% |
| space5 | | | |
| Household Size | 3.20 | 4.08 | 2.60 |
| Households | 322 | 486 | 124,010,992 |
| Family Households | 189 | 415 | 80,755,759 |
| Married couple, w/children | 34.4% | 19.0% | 30.5% |
| Married couple, no children | 51.3% | 23.1% | 42.9% |
| Non Family Households | 133 | 71 | 43,255,233 |
| Single householder, w/children | 5.3% | 32.8% | 15.8% |
| Single householder, no children | 9.0% | 25.1% | 10.8% |