| | Sims, NC | Roanoke Rapids, NC | United States |
| Population | 392 | 15,294 | 329,725,481 |
| Female Population | 52.8% | 51.4% | 50.5% |
| Male Population | 47.2% | 48.6% | 49.5% |
| Median Age | 31.6 | 38.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 282 | 15,672 | 309,327,143 |
| Population - 2000 | 128 | 16,957 | 285,036,114 |
| Population - 1990 | 124 | 15,722 | 251,960,433 |
| Pop. 2000 to Now | 123.4% | -16.3% | 15.6% |
| Pop. 1990 to Now | 130.7% | -9.8% | 30.8% |
| space4 | | | |
| Population Density | 2,240.0 | 1,542.8 | 93.4 |
| Land Area | 0.2 | 9.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Sims, NC | Roanoke Rapids, NC | United States |
| Age 0 to 4 | 7.1% | 6.7% | 5.9% |
| Age 5 to 9 | 5.4% | 5.6% | 6.1% |
| Age 10 to 14 | 7.9% | 9.3% | 6.6% |
| Age 15 to 17 | 4.1% | 4.4% | 3.9% |
| Age 18 to 20 | 3.1% | 2.6% | 4.0% |
| Age 21 to 24 | 14.8% | 5.0% | 5.2% |
| Age 25 to 34 | 9.2% | 12.7% | 13.8% |
| Age 35 to 44 | 15.1% | 10.2% | 12.9% |
| Age 45 to 54 | 18.1% | 11.3% | 12.6% |
| Age 55 to 59 | 3.8% | 8.4% | 6.7% |
| Age 60 to 64 | 1.0% | 5.7% | 6.3% |
| Age 65 to 74 | 7.9% | 11.4% | 9.6% |
| Age 75 to 84 | 2.3% | 5.2% | 4.5% |
| Age 85 and over | 0.3% | 1.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Sims, NC | Roanoke Rapids, NC | United States |
| White | 54.1% | 51.6% | 59.4% |
| Black | 23.7% | 34.1% | 12.2% |
| Asian | 0.0% | 1.4% | 5.6% |
| Native American | 0.0% | 1.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.5% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 0.8% | 6.0% | 3.2% |
| Hispanic | 21.4% | 4.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Sims, NC | Roanoke Rapids, NC | United States |
| Married Population | 44.2% | 41.7% | 49.8% |
| Currently Married | 41.7% | 39.5% | 48.0% |
| Married but Separated | 2.6% | 2.2% | 1.8% |
| Single Population | 55.8% | 58.3% | 50.2% |
| Never Married | 32.7% | 38.9% | 33.8% |
| Divorced | 18.3% | 12.9% | 10.8% |
| Widowed | 4.8% | 6.5% | 5.6% |
| space5 | | | |
| Household Size | 2.32 | 2.44 | 2.60 |
| Households | 169 | 6,202 | 124,010,992 |
| Family Households | 97 | 3,795 | 80,755,759 |
| Married couple, w/children | 42.3% | 17.5% | 30.5% |
| Married couple, no children | 20.6% | 41.9% | 42.9% |
| Non Family Households | 72 | 2,407 | 43,255,233 |
| Single householder, w/children | 25.8% | 30.3% | 15.8% |
| Single householder, no children | 11.3% | 10.3% | 10.8% |