| | Harleyville, SC | Pinehurst, NC | United States |
| Population | 883 | 17,250 | 329,725,481 |
| Female Population | 55.5% | 50.0% | 50.5% |
| Male Population | 44.5% | 50.0% | 49.5% |
| Median Age | 38.9 | 58.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 665 | 14,798 | 309,327,143 |
| Population - 2000 | 594 | 9,706 | 285,036,114 |
| Population - 1990 | 633 | 5,103 | 251,960,433 |
| Pop. 2000 to Now | 18.2% | 75.3% | 15.6% |
| Pop. 1990 to Now | 10.9% | 233.4% | 30.8% |
| space4 | | | |
| Population Density | 766.5 | 1,038.0 | 93.4 |
| Land Area | 1.2 | 16.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.6 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Harleyville, SC | Pinehurst, NC | United States |
| Age 0 to 4 | 7.7% | 4.1% | 5.9% |
| Age 5 to 9 | 7.7% | 4.4% | 6.1% |
| Age 10 to 14 | 8.0% | 4.4% | 6.6% |
| Age 15 to 17 | 5.9% | 3.3% | 3.9% |
| Age 18 to 20 | 2.7% | 1.4% | 4.0% |
| Age 21 to 24 | 2.7% | 3.1% | 5.2% |
| Age 25 to 34 | 10.1% | 6.9% | 13.8% |
| Age 35 to 44 | 14.0% | 8.1% | 12.9% |
| Age 45 to 54 | 12.5% | 10.1% | 12.6% |
| Age 55 to 59 | 4.5% | 5.2% | 6.7% |
| Age 60 to 64 | 9.4% | 9.4% | 6.3% |
| Age 65 to 74 | 8.8% | 21.2% | 9.6% |
| Age 75 to 84 | 5.4% | 14.0% | 4.5% |
| Age 85 and over | 0.5% | 4.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Harleyville, SC | Pinehurst, NC | United States |
| White | 83.1% | 89.4% | 59.4% |
| Black | 9.1% | 2.1% | 12.2% |
| Asian | 2.4% | 2.0% | 5.6% |
| Native American | 1.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 0.8% | 3.9% | 3.2% |
| Hispanic | 3.5% | 2.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Harleyville, SC | Pinehurst, NC | United States |
| Married Population | 51.3% | 68.8% | 49.8% |
| Currently Married | 46.2% | 66.5% | 48.0% |
| Married but Separated | 5.2% | 2.3% | 1.8% |
| Single Population | 48.7% | 31.2% | 50.2% |
| Never Married | 37.0% | 12.7% | 33.8% |
| Divorced | 9.5% | 8.0% | 10.8% |
| Widowed | 2.2% | 10.5% | 5.6% |
| space5 | | | |
| Household Size | 2.93 | 2.14 | 2.60 |
| Households | 300 | 7,954 | 124,010,992 |
| Family Households | 215 | 5,167 | 80,755,759 |
| Married couple, w/children | 14.4% | 22.8% | 30.5% |
| Married couple, no children | 40.9% | 70.6% | 42.9% |
| Non Family Households | 85 | 2,787 | 43,255,233 |
| Single householder, w/children | 28.4% | 5.0% | 15.8% |
| Single householder, no children | 16.3% | 1.6% | 10.8% |