| | Burrillville, RI | Harleyville, SC | United States |
| Population | 16,186 | 883 | 329,725,481 |
| Female Population | 50.3% | 55.5% | 50.5% |
| Male Population | 49.7% | 44.5% | 49.5% |
| Median Age | 42.5 | 38.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 16,016 | 665 | 309,327,143 |
| Population - 2000 | 15,796 | 594 | 285,036,114 |
| Population - 1990 | 16,230 | 633 | 251,960,433 |
| Pop. 2000 to Now | 6.4% | 18.2% | 15.6% |
| Pop. 1990 to Now | 3.6% | 10.9% | 30.8% |
| space4 | | | |
| Population Density | 294.1 | 766.5 | 93.4 |
| Land Area | 55.0 | 1.2 | 3,531,905.4 |
| Water Area | 2.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Burrillville, RI | Harleyville, SC | United States |
| Age 0 to 4 | 5.9% | 7.7% | 5.9% |
| Age 5 to 9 | 4.0% | 7.7% | 6.1% |
| Age 10 to 14 | 5.5% | 8.0% | 6.6% |
| Age 15 to 17 | 4.1% | 5.9% | 3.9% |
| Age 18 to 20 | 4.3% | 2.7% | 4.0% |
| Age 21 to 24 | 4.4% | 2.7% | 5.2% |
| Age 25 to 34 | 12.3% | 10.1% | 13.8% |
| Age 35 to 44 | 11.1% | 14.0% | 12.9% |
| Age 45 to 54 | 15.2% | 12.5% | 12.6% |
| Age 55 to 59 | 9.7% | 4.5% | 6.7% |
| Age 60 to 64 | 7.7% | 9.4% | 6.3% |
| Age 65 to 74 | 9.3% | 8.8% | 9.6% |
| Age 75 to 84 | 4.7% | 5.4% | 4.5% |
| Age 85 and over | 1.9% | 0.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Burrillville, RI | Harleyville, SC | United States |
| White | 91.8% | 83.1% | 59.4% |
| Black | 0.1% | 9.1% | 12.2% |
| Asian | 2.2% | 2.4% | 5.6% |
| Native American | 0.0% | 1.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.8% | 0.8% | 3.2% |
| Hispanic | 3.0% | 3.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Burrillville, RI | Harleyville, SC | United States |
| Married Population | 51.6% | 51.3% | 49.8% |
| Currently Married | 51.5% | 46.2% | 48.0% |
| Married but Separated | 0.1% | 5.2% | 1.8% |
| Single Population | 48.4% | 48.7% | 50.2% |
| Never Married | 31.7% | 37.0% | 33.8% |
| Divorced | 10.7% | 9.5% | 10.8% |
| Widowed | 6.0% | 2.2% | 5.6% |
| space5 | | | |
| Household Size | 2.68 | 2.93 | 2.60 |
| Households | 5,907 | 300 | 124,010,992 |
| Family Households | 4,243 | 215 | 80,755,759 |
| Married couple, w/children | 29.3% | 14.4% | 30.5% |
| Married couple, no children | 51.0% | 40.9% | 42.9% |
| Non Family Households | 1,664 | 85 | 43,255,233 |
| Single householder, w/children | 9.1% | 28.4% | 15.8% |
| Single householder, no children | 10.6% | 16.3% | 10.8% |