| | Whitinsville, MA | Hartwell, GA | United States |
| Population | 7,329 | 4,432 | 329,725,481 |
| Female Population | 54.9% | 53.6% | 50.5% |
| Male Population | 45.1% | 46.4% | 49.5% |
| Median Age | 37.6 | 39.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 7,055 | 4,373 | 309,327,143 |
| Population - 2000 | 6,340 | 4,188 | 285,036,114 |
| Population - 1990 | 5,639 | 4,555 | 251,960,433 |
| Pop. 2000 to Now | 10.4% | 6.2% | 15.6% |
| Pop. 1990 to Now | 24.1% | -2.4% | 30.8% |
| space4 | | | |
| Population Density | 2,012.4 | 866.6 | 93.4 |
| Land Area | 3.6 | 5.1 | 3,531,905.4 |
| Water Area | 0.4 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Whitinsville, MA | Hartwell, GA | United States |
| Age 0 to 4 | 7.2% | 1.8% | 5.9% |
| Age 5 to 9 | 6.6% | 7.5% | 6.1% |
| Age 10 to 14 | 6.7% | 8.3% | 6.6% |
| Age 15 to 17 | 3.2% | 5.7% | 3.9% |
| Age 18 to 20 | 3.2% | 1.3% | 4.0% |
| Age 21 to 24 | 4.2% | 5.1% | 5.2% |
| Age 25 to 34 | 14.5% | 14.9% | 13.8% |
| Age 35 to 44 | 12.4% | 9.6% | 12.9% |
| Age 45 to 54 | 14.1% | 9.8% | 12.6% |
| Age 55 to 59 | 6.4% | 6.0% | 6.7% |
| Age 60 to 64 | 7.6% | 6.0% | 6.3% |
| Age 65 to 74 | 8.7% | 12.3% | 9.6% |
| Age 75 to 84 | 3.9% | 8.0% | 4.5% |
| Age 85 and over | 1.4% | 3.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Whitinsville, MA | Hartwell, GA | United States |
| White | 81.5% | 54.5% | 59.4% |
| Black | 0.0% | 38.1% | 12.2% |
| Asian | 0.4% | 4.0% | 5.6% |
| Native American | 0.2% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 1.2% | 0.0% | 0.4% |
| Two or More Races | 3.9% | 0.6% | 3.2% |
| Hispanic | 12.7% | 2.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Whitinsville, MA | Hartwell, GA | United States |
| Married Population | 54.6% | 37.0% | 49.8% |
| Currently Married | 54.0% | 36.3% | 48.0% |
| Married but Separated | 0.5% | 0.7% | 1.8% |
| Single Population | 45.4% | 63.0% | 50.2% |
| Never Married | 30.2% | 32.1% | 33.8% |
| Divorced | 8.8% | 20.2% | 10.8% |
| Widowed | 6.4% | 10.6% | 5.6% |
| space5 | | | |
| Household Size | 2.55 | 2.44 | 2.60 |
| Households | 2,835 | 1,737 | 124,010,992 |
| Family Households | 2,019 | 934 | 80,755,759 |
| Married couple, w/children | 31.8% | 22.8% | 30.5% |
| Married couple, no children | 42.5% | 36.0% | 42.9% |
| Non Family Households | 816 | 803 | 43,255,233 |
| Single householder, w/children | 19.5% | 26.3% | 15.8% |
| Single householder, no children | 6.1% | 14.9% | 10.8% |