| | Blacksville, WV | Port Richey, FL | United States |
| Population | 58 | 3,027 | 329,725,481 |
| Female Population | 37.9% | 42.9% | 50.5% |
| Male Population | 62.1% | 57.2% | 49.5% |
| Median Age | 62.5 | 48.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 172 | 2,678 | 309,327,143 |
| Population - 2000 | 175 | 3,021 | 285,036,114 |
| Population - 1990 | 168 | 2,523 | 251,960,433 |
| Pop. 2000 to Now | 4.6% | 0.7% | 15.6% |
| Pop. 1990 to Now | 8.9% | 20.5% | 30.8% |
| space4 | | | |
| Population Density | 194.0 | 1,363.5 | 93.4 |
| Land Area | 0.3 | 2.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Blacksville, WV | Port Richey, FL | United States |
| Age 0 to 4 | 0.0% | 2.9% | 5.9% |
| Age 5 to 9 | 0.0% | 4.4% | 6.1% |
| Age 10 to 14 | 0.0% | 2.2% | 6.6% |
| Age 15 to 17 | 0.0% | 2.2% | 3.9% |
| Age 18 to 20 | 1.7% | 5.6% | 4.0% |
| Age 21 to 24 | 6.9% | 2.2% | 5.2% |
| Age 25 to 34 | 5.2% | 10.5% | 13.8% |
| Age 35 to 44 | 13.8% | 14.4% | 12.9% |
| Age 45 to 54 | 12.1% | 15.9% | 12.6% |
| Age 55 to 59 | 0.0% | 9.3% | 6.7% |
| Age 60 to 64 | 25.9% | 9.5% | 6.3% |
| Age 65 to 74 | 20.7% | 11.6% | 9.6% |
| Age 75 to 84 | 13.8% | 6.8% | 4.5% |
| Age 85 and over | 0.0% | 2.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Blacksville, WV | Port Richey, FL | United States |
| White | 100.0% | 81.8% | 59.4% |
| Black | 0.0% | 0.8% | 12.2% |
| Asian | 0.0% | 0.2% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 0.0% | 2.5% | 3.2% |
| Hispanic | 0.0% | 14.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Blacksville, WV | Port Richey, FL | United States |
| Married Population | 62.1% | 44.4% | 49.8% |
| Currently Married | 58.6% | 42.2% | 48.0% |
| Married but Separated | 3.4% | 2.2% | 1.8% |
| Single Population | 37.9% | 55.6% | 50.2% |
| Never Married | 17.2% | 29.4% | 33.8% |
| Divorced | 20.7% | 18.1% | 10.8% |
| Widowed | 0.0% | 8.0% | 5.6% |
| space5 | | | |
| Household Size | 1.61 | 2.06 | 2.60 |
| Households | 36 | 1,459 | 124,010,992 |
| Family Households | 17 | 766 | 80,755,759 |
| Married couple, w/children | 0.0% | 20.2% | 30.5% |
| Married couple, no children | 100.0% | 55.9% | 42.9% |
| Non Family Households | 19 | 693 | 43,255,233 |
| Single householder, w/children | 0.0% | 11.5% | 15.8% |
| Single householder, no children | 0.0% | 12.4% | 10.8% |