| | Littleton, NC | Mountainburg, AR | United States |
| Population | 479 | 528 | 329,725,481 |
| Female Population | 58.5% | 50.4% | 50.5% |
| Male Population | 41.6% | 49.6% | 49.5% |
| Median Age | 56.4 | 40.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 649 | 621 | 309,327,143 |
| Population - 2000 | 692 | 682 | 285,036,114 |
| Population - 1990 | 691 | 488 | 251,960,433 |
| Pop. 2000 to Now | -15.6% | -10.3% | 15.6% |
| Pop. 1990 to Now | -15.5% | 25.4% | 30.8% |
| space4 | | | |
| Population Density | 503.7 | 347.8 | 93.4 |
| Land Area | 1.0 | 1.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Littleton, NC | Mountainburg, AR | United States |
| Age 0 to 4 | 3.3% | 4.2% | 5.9% |
| Age 5 to 9 | 6.5% | 3.2% | 6.1% |
| Age 10 to 14 | 3.3% | 8.3% | 6.6% |
| Age 15 to 17 | 8.6% | 2.3% | 3.9% |
| Age 18 to 20 | 1.5% | 5.9% | 4.0% |
| Age 21 to 24 | 1.0% | 5.1% | 5.2% |
| Age 25 to 34 | 7.9% | 14.2% | 13.8% |
| Age 35 to 44 | 8.1% | 13.8% | 12.9% |
| Age 45 to 54 | 8.6% | 13.6% | 12.6% |
| Age 55 to 59 | 10.9% | 3.6% | 6.7% |
| Age 60 to 64 | 7.3% | 6.3% | 6.3% |
| Age 65 to 74 | 19.4% | 10.8% | 9.6% |
| Age 75 to 84 | 7.9% | 6.3% | 4.5% |
| Age 85 and over | 5.6% | 2.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Littleton, NC | Mountainburg, AR | United States |
| White | 47.4% | 86.4% | 59.4% |
| Black | 42.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 1.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.6% | 0.0% | 0.4% |
| Two or More Races | 3.3% | 8.5% | 3.2% |
| Hispanic | 6.7% | 3.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Littleton, NC | Mountainburg, AR | United States |
| Married Population | 27.9% | 50.6% | 49.8% |
| Currently Married | 26.0% | 46.5% | 48.0% |
| Married but Separated | 1.9% | 4.0% | 1.8% |
| Single Population | 72.1% | 49.4% | 50.2% |
| Never Married | 39.9% | 24.0% | 33.8% |
| Divorced | 17.1% | 13.7% | 10.8% |
| Widowed | 15.1% | 11.7% | 5.6% |
| space5 | | | |
| Household Size | 2.00 | 2.33 | 2.60 |
| Households | 240 | 227 | 124,010,992 |
| Family Households | 98 | 124 | 80,755,759 |
| Married couple, w/children | 23.5% | 37.1% | 30.5% |
| Married couple, no children | 28.6% | 39.5% | 42.9% |
| Non Family Households | 142 | 103 | 43,255,233 |
| Single householder, w/children | 41.8% | 16.9% | 15.8% |
| Single householder, no children | 6.1% | 6.5% | 10.8% |