| | Espanola, NM | Delta, CO | United States |
| Population | 10,492 | 9,036 | 329,725,481 |
| Female Population | 49.4% | 49.5% | 50.5% |
| Male Population | 50.6% | 50.5% | 49.5% |
| Median Age | 36.6 | 44.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 10,301 | 8,865 | 309,327,143 |
| Population - 2000 | 9,688 | 6,400 | 285,036,114 |
| Population - 1990 | 8,389 | 3,789 | 251,960,433 |
| Pop. 2000 to Now | 3.0% | 41.1% | 15.6% |
| Pop. 1990 to Now | 19.0% | 138.3% | 30.8% |
| space4 | | | |
| Population Density | 1,346.0 | 680.8 | 93.4 |
| Land Area | 7.8 | 13.3 | 3,531,905.4 |
| Water Area | 0.1 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Espanola, NM | Delta, CO | United States |
| Age 0 to 4 | 6.6% | 3.7% | 5.9% |
| Age 5 to 9 | 7.4% | 7.1% | 6.1% |
| Age 10 to 14 | 7.2% | 6.8% | 6.6% |
| Age 15 to 17 | 3.3% | 3.7% | 3.9% |
| Age 18 to 20 | 5.6% | 3.9% | 4.0% |
| Age 21 to 24 | 5.5% | 5.7% | 5.2% |
| Age 25 to 34 | 12.2% | 8.0% | 13.8% |
| Age 35 to 44 | 10.7% | 11.3% | 12.9% |
| Age 45 to 54 | 13.8% | 13.0% | 12.6% |
| Age 55 to 59 | 6.0% | 5.4% | 6.7% |
| Age 60 to 64 | 5.3% | 8.8% | 6.3% |
| Age 65 to 74 | 9.6% | 13.3% | 9.6% |
| Age 75 to 84 | 4.7% | 5.6% | 4.5% |
| Age 85 and over | 2.1% | 3.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Espanola, NM | Delta, CO | United States |
| White | 11.2% | 69.5% | 59.4% |
| Black | 0.5% | 0.3% | 12.2% |
| Asian | 1.1% | 2.4% | 5.6% |
| Native American | 1.9% | 0.9% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.0% | 0.4% |
| Two or More Races | 0.6% | 2.0% | 3.2% |
| Hispanic | 84.4% | 24.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Espanola, NM | Delta, CO | United States |
| Married Population | 30.8% | 46.2% | 49.8% |
| Currently Married | 29.6% | 44.9% | 48.0% |
| Married but Separated | 1.2% | 1.3% | 1.8% |
| Single Population | 69.2% | 53.8% | 50.2% |
| Never Married | 48.1% | 26.8% | 33.8% |
| Divorced | 13.6% | 18.4% | 10.8% |
| Widowed | 7.6% | 8.6% | 5.6% |
| space5 | | | |
| Household Size | 2.73 | 2.60 | 2.60 |
| Households | 3,814 | 3,387 | 124,010,992 |
| Family Households | 2,030 | 2,025 | 80,755,759 |
| Married couple, w/children | 17.7% | 29.0% | 30.5% |
| Married couple, no children | 33.8% | 39.7% | 42.9% |
| Non Family Households | 1,784 | 1,362 | 43,255,233 |
| Single householder, w/children | 32.3% | 14.8% | 15.8% |
| Single householder, no children | 16.2% | 16.4% | 10.8% |