| | Sylva, NC | Kings Mountain, NC | United States |
| Population | 2,611 | 10,775 | 329,725,481 |
| Female Population | 52.1% | 52.6% | 50.5% |
| Male Population | 47.9% | 47.4% | 49.5% |
| Median Age | 30.3 | 41.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,563 | 10,691 | 309,327,143 |
| Population - 2000 | 2,435 | 9,693 | 285,036,114 |
| Population - 1990 | 1,809 | 8,763 | 251,960,433 |
| Pop. 2000 to Now | 12.5% | 14.7% | 15.6% |
| Pop. 1990 to Now | 51.4% | 26.9% | 30.8% |
| space4 | | | |
| Population Density | 818.2 | 802.7 | 93.4 |
| Land Area | 3.2 | 13.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Sylva, NC | Kings Mountain, NC | United States |
| Age 0 to 4 | 10.3% | 5.9% | 5.9% |
| Age 5 to 9 | 8.7% | 8.2% | 6.1% |
| Age 10 to 14 | 10.2% | 8.0% | 6.6% |
| Age 15 to 17 | 2.6% | 2.3% | 3.9% |
| Age 18 to 20 | 4.0% | 2.2% | 4.0% |
| Age 21 to 24 | 10.0% | 3.7% | 5.2% |
| Age 25 to 34 | 11.2% | 12.9% | 13.8% |
| Age 35 to 44 | 18.3% | 10.3% | 12.9% |
| Age 45 to 54 | 8.4% | 12.0% | 12.6% |
| Age 55 to 59 | 1.3% | 6.3% | 6.7% |
| Age 60 to 64 | 3.0% | 8.7% | 6.3% |
| Age 65 to 74 | 2.9% | 10.5% | 9.6% |
| Age 75 to 84 | 5.5% | 4.2% | 4.5% |
| Age 85 and over | 3.5% | 4.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Sylva, NC | Kings Mountain, NC | United States |
| White | 72.7% | 65.2% | 59.4% |
| Black | 3.3% | 27.3% | 12.2% |
| Asian | 0.5% | 1.6% | 5.6% |
| Native American | 1.6% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 10.2% | 3.7% | 3.2% |
| Hispanic | 11.8% | 2.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Sylva, NC | Kings Mountain, NC | United States |
| Married Population | 29.5% | 35.9% | 49.8% |
| Currently Married | 28.0% | 33.9% | 48.0% |
| Married but Separated | 1.4% | 2.0% | 1.8% |
| Single Population | 70.5% | 64.1% | 50.2% |
| Never Married | 51.6% | 33.0% | 33.8% |
| Divorced | 9.5% | 18.6% | 10.8% |
| Widowed | 9.4% | 12.5% | 5.6% |
| space5 | | | |
| Household Size | 2.66 | 2.57 | 2.60 |
| Households | 944 | 4,130 | 124,010,992 |
| Family Households | 441 | 2,401 | 80,755,759 |
| Married couple, w/children | 29.3% | 16.5% | 30.5% |
| Married couple, no children | 26.1% | 39.8% | 42.9% |
| Non Family Households | 503 | 1,729 | 43,255,233 |
| Single householder, w/children | 31.7% | 24.0% | 15.8% |
| Single householder, no children | 12.9% | 19.6% | 10.8% |