| | Arboles, CO | Dulce, NM | United States |
| Population | 384 | 2,607 | 329,725,481 |
| Female Population | 34.6% | 50.0% | 50.5% |
| Male Population | 65.4% | 50.0% | 49.5% |
| Median Age | 52.8 | 34 | 38.4 |
| space3 | | | |
| Population - 2010 | 263 | 2,795 | 309,327,143 |
| Population - 2000 | 232 | 2,623 | 285,036,114 |
| Population - 1990 | 206 | 2,438 | 251,960,433 |
| Pop. 2000 to Now | 47.4% | 0.9% | 15.6% |
| Pop. 1990 to Now | 66.0% | 8.6% | 30.8% |
| space4 | | | |
| Population Density | 74.5 | 203.6 | 93.4 |
| Land Area | 5.2 | 12.8 | 3,531,905.4 |
| Water Area | 1.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Arboles, CO | Dulce, NM | United States |
| Age 0 to 4 | 5.2% | 6.4% | 5.9% |
| Age 5 to 9 | 0.8% | 5.9% | 6.1% |
| Age 10 to 14 | 1.8% | 10.0% | 6.6% |
| Age 15 to 17 | 4.2% | 5.2% | 3.9% |
| Age 18 to 20 | 4.2% | 1.4% | 4.0% |
| Age 21 to 24 | 3.6% | 8.9% | 5.2% |
| Age 25 to 34 | 6.3% | 12.9% | 13.8% |
| Age 35 to 44 | 1.3% | 7.1% | 12.9% |
| Age 45 to 54 | 29.2% | 15.6% | 12.6% |
| Age 55 to 59 | 5.2% | 11.4% | 6.7% |
| Age 60 to 64 | 4.9% | 2.9% | 6.3% |
| Age 65 to 74 | 19.8% | 9.2% | 9.6% |
| Age 75 to 84 | 7.3% | 1.5% | 4.5% |
| Age 85 and over | 6.3% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Arboles, CO | Dulce, NM | United States |
| White | 55.7% | 1.2% | 59.4% |
| Black | 0.0% | 0.2% | 12.2% |
| Asian | 0.0% | 1.1% | 5.6% |
| Native American | 4.4% | 79.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 5.5% | 2.1% | 3.2% |
| Hispanic | 34.4% | 15.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Arboles, CO | Dulce, NM | United States |
| Married Population | 70.3% | 28.4% | 49.8% |
| Currently Married | 68.4% | 26.1% | 48.0% |
| Married but Separated | 2.0% | 2.3% | 1.8% |
| Single Population | 29.7% | 71.6% | 50.2% |
| Never Married | 14.4% | 48.1% | 33.8% |
| Divorced | 8.5% | 17.2% | 10.8% |
| Widowed | 6.8% | 6.3% | 5.6% |
| space5 | | | |
| Household Size | 2.21 | 3.88 | 2.60 |
| Households | 174 | 665 | 124,010,992 |
| Family Households | 126 | 440 | 80,755,759 |
| Married couple, w/children | 23.8% | 3.4% | 30.5% |
| Married couple, no children | 55.6% | 47.3% | 42.9% |
| Non Family Households | 48 | 225 | 43,255,233 |
| Single householder, w/children | 2.4% | 35.5% | 15.8% |
| Single householder, no children | 18.3% | 13.9% | 10.8% |