| | Mesita, NM | Pendleton, SC | United States |
| Population | 1,214 | 3,447 | 329,725,481 |
| Female Population | 45.5% | 52.2% | 50.5% |
| Male Population | 54.5% | 47.8% | 49.5% |
| Median Age | 34.1 | 42.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,187 | 3,024 | 309,327,143 |
| Population - 2000 | 776 | 2,966 | 285,036,114 |
| Population - 1990 | 627 | 3,314 | 251,960,433 |
| Pop. 2000 to Now | -4.6% | 11.7% | 15.6% |
| Pop. 1990 to Now | 18.0% | 0.0% | 30.8% |
| space4 | | | |
| Population Density | 113.5 | 742.9 | 93.4 |
| Land Area | 10.7 | 4.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Mesita, NM | Pendleton, SC | United States |
| Age 0 to 4 | 3.9% | 6.2% | 5.9% |
| Age 5 to 9 | 8.9% | 5.9% | 6.1% |
| Age 10 to 14 | 12.8% | 1.5% | 6.6% |
| Age 15 to 17 | 1.6% | 1.9% | 3.9% |
| Age 18 to 20 | 5.2% | 2.0% | 4.0% |
| Age 21 to 24 | 5.5% | 9.5% | 5.2% |
| Age 25 to 34 | 15.6% | 15.7% | 13.8% |
| Age 35 to 44 | 7.0% | 9.3% | 12.9% |
| Age 45 to 54 | 16.7% | 10.3% | 12.6% |
| Age 55 to 59 | 9.1% | 9.3% | 6.7% |
| Age 60 to 64 | 2.6% | 8.5% | 6.3% |
| Age 65 to 74 | 4.6% | 13.9% | 9.6% |
| Age 75 to 84 | 5.2% | 5.4% | 4.5% |
| Age 85 and over | 1.3% | 0.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Mesita, NM | Pendleton, SC | United States |
| White | 1.8% | 77.3% | 59.4% |
| Black | 0.0% | 14.9% | 12.2% |
| Asian | 0.0% | 2.6% | 5.6% |
| Native American | 90.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 1.0% | 0.2% |
| Other | 0.0% | 0.8% | 0.4% |
| Two or More Races | 4.8% | 3.3% | 3.2% |
| Hispanic | 3.5% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Mesita, NM | Pendleton, SC | United States |
| Married Population | 37.1% | 43.5% | 49.8% |
| Currently Married | 37.1% | 41.4% | 48.0% |
| Married but Separated | 0.0% | 2.1% | 1.8% |
| Single Population | 62.9% | 56.5% | 50.2% |
| Never Married | 43.3% | 33.0% | 33.8% |
| Divorced | 13.5% | 17.8% | 10.8% |
| Widowed | 6.2% | 5.7% | 5.6% |
| space5 | | | |
| Household Size | 5.97 | 1.87 | 2.60 |
| Households | 199 | 1,845 | 124,010,992 |
| Family Households | 174 | 831 | 80,755,759 |
| Married couple, w/children | 37.4% | 36.8% | 30.5% |
| Married couple, no children | 31.0% | 41.4% | 42.9% |
| Non Family Households | 25 | 1,014 | 43,255,233 |
| Single householder, w/children | 15.5% | 5.5% | 15.8% |
| Single householder, no children | 16.1% | 16.2% | 10.8% |