| | Porter, ME | Charles Town, WV | United States |
| Population | 1,469 | 6,373 | 329,725,481 |
| Female Population | 49.2% | 52.3% | 50.5% |
| Male Population | 50.9% | 47.7% | 49.5% |
| Median Age | 50.1 | 40.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,495 | 5,251 | 309,327,143 |
| Population - 2000 | 1,438 | 2,907 | 285,036,114 |
| Population - 1990 | 1,301 | 3,122 | 251,960,433 |
| Pop. 2000 to Now | 6.1% | 106.9% | 15.6% |
| Pop. 1990 to Now | 17.2% | 92.7% | 30.8% |
| space4 | | | |
| Population Density | 46.6 | 1,090.7 | 93.4 |
| Land Area | 31.5 | 5.8 | 3,531,905.4 |
| Water Area | 1.4 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Porter, ME | Charles Town, WV | United States |
| Age 0 to 4 | 6.5% | 5.3% | 5.9% |
| Age 5 to 9 | 2.4% | 7.8% | 6.1% |
| Age 10 to 14 | 3.0% | 7.9% | 6.6% |
| Age 15 to 17 | 2.2% | 4.7% | 3.9% |
| Age 18 to 20 | 0.0% | 2.5% | 4.0% |
| Age 21 to 24 | 5.1% | 2.4% | 5.2% |
| Age 25 to 34 | 17.2% | 10.8% | 13.8% |
| Age 35 to 44 | 7.4% | 17.3% | 12.9% |
| Age 45 to 54 | 13.1% | 12.7% | 12.6% |
| Age 55 to 59 | 7.1% | 6.3% | 6.7% |
| Age 60 to 64 | 11.8% | 7.0% | 6.3% |
| Age 65 to 74 | 14.8% | 9.1% | 9.6% |
| Age 75 to 84 | 7.1% | 4.9% | 4.5% |
| Age 85 and over | 2.2% | 1.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Porter, ME | Charles Town, WV | United States |
| White | 88.0% | 71.5% | 59.4% |
| Black | 0.1% | 10.6% | 12.2% |
| Asian | 2.0% | 2.7% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 2.6% | 0.4% |
| Two or More Races | 8.6% | 3.4% | 3.2% |
| Hispanic | 1.3% | 9.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Porter, ME | Charles Town, WV | United States |
| Married Population | 54.3% | 48.8% | 49.8% |
| Currently Married | 53.9% | 46.8% | 48.0% |
| Married but Separated | 0.4% | 2.0% | 1.8% |
| Single Population | 45.8% | 51.2% | 50.2% |
| Never Married | 28.0% | 30.1% | 33.8% |
| Divorced | 13.8% | 17.3% | 10.8% |
| Widowed | 3.9% | 3.8% | 5.6% |
| space5 | | | |
| Household Size | 2.64 | 2.68 | 2.60 |
| Households | 556 | 2,349 | 124,010,992 |
| Family Households | 377 | 1,471 | 80,755,759 |
| Married couple, w/children | 16.2% | 45.1% | 30.5% |
| Married couple, no children | 67.1% | 30.1% | 42.9% |
| Non Family Households | 179 | 878 | 43,255,233 |
| Single householder, w/children | 9.8% | 13.1% | 15.8% |
| Single householder, no children | 6.9% | 11.8% | 10.8% |