| | Sierra Vista Southeast, AZ | Espanola, NM | United States |
| Population | 14,822 | 10,492 | 329,725,481 |
| Female Population | 52.9% | 49.4% | 50.5% |
| Male Population | 47.1% | 50.6% | 49.5% |
| Median Age | 46.3 | 36.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 15,297 | 10,301 | 309,327,143 |
| Population - 2000 | 14,348 | 9,688 | 285,036,114 |
| Population - 1990 | 9,237 | 8,389 | 251,960,433 |
| Pop. 2000 to Now | 9.4% | 3.0% | 15.6% |
| Pop. 1990 to Now | 69.9% | 19.0% | 30.8% |
| space4 | | | |
| Population Density | 133.7 | 1,346.0 | 93.4 |
| Land Area | 110.9 | 7.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Sierra Vista Southeast, AZ | Espanola, NM | United States |
| Age 0 to 4 | 4.2% | 6.6% | 5.9% |
| Age 5 to 9 | 6.2% | 7.4% | 6.1% |
| Age 10 to 14 | 8.1% | 7.2% | 6.6% |
| Age 15 to 17 | 5.6% | 3.3% | 3.9% |
| Age 18 to 20 | 3.3% | 5.6% | 4.0% |
| Age 21 to 24 | 2.5% | 5.5% | 5.2% |
| Age 25 to 34 | 7.3% | 12.2% | 13.8% |
| Age 35 to 44 | 11.2% | 10.7% | 12.9% |
| Age 45 to 54 | 11.0% | 13.8% | 12.6% |
| Age 55 to 59 | 6.6% | 6.0% | 6.7% |
| Age 60 to 64 | 10.0% | 5.3% | 6.3% |
| Age 65 to 74 | 12.9% | 9.6% | 9.6% |
| Age 75 to 84 | 8.7% | 4.7% | 4.5% |
| Age 85 and over | 2.4% | 2.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Sierra Vista Southeast, AZ | Espanola, NM | United States |
| White | 66.1% | 11.2% | 59.4% |
| Black | 0.7% | 0.5% | 12.2% |
| Asian | 1.3% | 1.1% | 5.6% |
| Native American | 0.3% | 1.9% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 0.5% | 0.4% |
| Two or More Races | 5.3% | 0.6% | 3.2% |
| Hispanic | 26.0% | 84.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Sierra Vista Southeast, AZ | Espanola, NM | United States |
| Married Population | 60.8% | 30.8% | 49.8% |
| Currently Married | 58.7% | 29.6% | 48.0% |
| Married but Separated | 2.1% | 1.2% | 1.8% |
| Single Population | 39.2% | 69.2% | 50.2% |
| Never Married | 22.1% | 48.1% | 33.8% |
| Divorced | 10.3% | 13.6% | 10.8% |
| Widowed | 6.9% | 7.6% | 5.6% |
| space5 | | | |
| Household Size | 2.42 | 2.73 | 2.60 |
| Households | 6,118 | 3,814 | 124,010,992 |
| Family Households | 3,958 | 2,030 | 80,755,759 |
| Married couple, w/children | 33.6% | 17.7% | 30.5% |
| Married couple, no children | 52.0% | 33.8% | 42.9% |
| Non Family Households | 2,160 | 1,784 | 43,255,233 |
| Single householder, w/children | 6.3% | 32.3% | 15.8% |
| Single householder, no children | 8.1% | 16.2% | 10.8% |