| | Carlsbad, TX | Carlsbad, NM | United States |
| Population | 613 | 31,525 | 329,725,481 |
| Female Population | 48.8% | 48.5% | 50.5% |
| Male Population | 51.2% | 51.5% | 49.5% |
| Median Age | 29.2 | 35.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,030 | 26,272 | 309,327,143 |
| Population - 2000 | 583 | 25,625 | 285,036,114 |
| Population - 1990 | 451 | 24,952 | 251,960,433 |
| Pop. 2000 to Now | 16.6% | 15.8% | 15.6% |
| Pop. 1990 to Now | 50.8% | 18.9% | 30.8% |
| space4 | | | |
| Population Density | 394.7 | 1,012.5 | 93.4 |
| Land Area | 1.6 | 31.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Carlsbad, TX | Carlsbad, NM | United States |
| Age 0 to 4 | 3.9% | 7.8% | 5.9% |
| Age 5 to 9 | 11.3% | 6.1% | 6.1% |
| Age 10 to 14 | 9.3% | 6.3% | 6.6% |
| Age 15 to 17 | 6.4% | 4.3% | 3.9% |
| Age 18 to 20 | 14.4% | 5.0% | 4.0% |
| Age 21 to 24 | 1.8% | 5.3% | 5.2% |
| Age 25 to 34 | 22.3% | 15.2% | 13.8% |
| Age 35 to 44 | 4.6% | 12.3% | 12.9% |
| Age 45 to 54 | 2.4% | 9.9% | 12.6% |
| Age 55 to 59 | 4.1% | 6.2% | 6.7% |
| Age 60 to 64 | 6.2% | 6.4% | 6.3% |
| Age 65 to 74 | 9.1% | 8.9% | 9.6% |
| Age 75 to 84 | 4.2% | 4.2% | 4.5% |
| Age 85 and over | 0.0% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Carlsbad, TX | Carlsbad, NM | United States |
| White | 76.2% | 42.4% | 59.4% |
| Black | 4.2% | 1.5% | 12.2% |
| Asian | 0.0% | 1.3% | 5.6% |
| Native American | 4.6% | 0.7% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 1.1% | 0.4% |
| Two or More Races | 0.0% | 0.6% | 3.2% |
| Hispanic | 15.0% | 52.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Carlsbad, TX | Carlsbad, NM | United States |
| Married Population | 28.7% | 47.5% | 49.8% |
| Currently Married | 28.7% | 45.7% | 48.0% |
| Married but Separated | 0.0% | 1.8% | 1.8% |
| Single Population | 71.3% | 52.5% | 50.2% |
| Never Married | 50.3% | 32.7% | 33.8% |
| Divorced | 11.7% | 13.9% | 10.8% |
| Widowed | 9.3% | 5.8% | 5.6% |
| space5 | | | |
| Household Size | 2.91 | 2.71 | 2.60 |
| Households | 164 | 11,455 | 124,010,992 |
| Family Households | 104 | 7,662 | 80,755,759 |
| Married couple, w/children | 38.5% | 29.7% | 30.5% |
| Married couple, no children | 14.4% | 39.0% | 42.9% |
| Non Family Households | 60 | 3,793 | 43,255,233 |
| Single householder, w/children | 32.7% | 17.9% | 15.8% |
| Single householder, no children | 14.4% | 13.4% | 10.8% |