| | Bristol, NH | Hanahan, SC | United States |
| Population | 3,248 | 20,381 | 329,725,481 |
| Female Population | 47.2% | 48.2% | 50.5% |
| Male Population | 52.8% | 51.8% | 49.5% |
| Median Age | 42.8 | 35.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,043 | 18,069 | 309,327,143 |
| Population - 2000 | 3,033 | 12,937 | 285,036,114 |
| Population - 1990 | 2,537 | 13,176 | 251,960,433 |
| Pop. 2000 to Now | 4.1% | 118.6% | 15.6% |
| Pop. 1990 to Now | 24.4% | 114.6% | 30.8% |
| space4 | | | |
| Population Density | 189.9 | 1,940.7 | 93.4 |
| Land Area | 17.1 | 10.5 | 3,531,905.4 |
| Water Area | 5.2 | 0.9 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Bristol, NH | Hanahan, SC | United States |
| Age 0 to 4 | 5.6% | 8.1% | 5.9% |
| Age 5 to 9 | 10.1% | 7.8% | 6.1% |
| Age 10 to 14 | 1.8% | 6.9% | 6.6% |
| Age 15 to 17 | 3.5% | 3.8% | 3.9% |
| Age 18 to 20 | 3.0% | 2.8% | 4.0% |
| Age 21 to 24 | 6.7% | 4.9% | 5.2% |
| Age 25 to 34 | 8.1% | 15.4% | 13.8% |
| Age 35 to 44 | 16.3% | 14.4% | 12.9% |
| Age 45 to 54 | 13.2% | 12.5% | 12.6% |
| Age 55 to 59 | 7.1% | 5.2% | 6.7% |
| Age 60 to 64 | 6.5% | 6.0% | 6.3% |
| Age 65 to 74 | 9.8% | 6.0% | 9.6% |
| Age 75 to 84 | 5.8% | 5.3% | 4.5% |
| Age 85 and over | 2.5% | 0.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Bristol, NH | Hanahan, SC | United States |
| White | 91.6% | 72.2% | 59.4% |
| Black | 0.1% | 10.0% | 12.2% |
| Asian | 2.3% | 5.1% | 5.6% |
| Native American | 0.2% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 4.7% | 1.2% | 3.2% |
| Hispanic | 1.2% | 11.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Bristol, NH | Hanahan, SC | United States |
| Married Population | 47.3% | 54.2% | 49.8% |
| Currently Married | 45.3% | 52.5% | 48.0% |
| Married but Separated | 2.0% | 1.6% | 1.8% |
| Single Population | 52.7% | 45.8% | 50.2% |
| Never Married | 33.0% | 31.1% | 33.8% |
| Divorced | 14.4% | 10.2% | 10.8% |
| Widowed | 5.3% | 4.6% | 5.6% |
| space5 | | | |
| Household Size | 2.57 | 2.74 | 2.60 |
| Households | 1,255 | 7,399 | 124,010,992 |
| Family Households | 846 | 5,056 | 80,755,759 |
| Married couple, w/children | 28.1% | 33.1% | 30.5% |
| Married couple, no children | 42.7% | 40.7% | 42.9% |
| Non Family Households | 409 | 2,343 | 43,255,233 |
| Single householder, w/children | 15.2% | 18.9% | 15.8% |
| Single householder, no children | 13.9% | 7.3% | 10.8% |