| | Pen Argyl, PA | Weaverville, NC | United States |
| Population | 3,518 | 4,476 | 329,725,481 |
| Female Population | 50.5% | 56.5% | 50.5% |
| Male Population | 49.5% | 43.5% | 49.5% |
| Median Age | 35.3 | 50.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,589 | 3,675 | 309,327,143 |
| Population - 2000 | 3,615 | 2,416 | 285,036,114 |
| Population - 1990 | 3,492 | 2,107 | 251,960,433 |
| Pop. 2000 to Now | -2.1% | 67.2% | 15.6% |
| Pop. 1990 to Now | 1.4% | 91.7% | 30.8% |
| space4 | | | |
| Population Density | 2,621.5 | 1,193.0 | 93.4 |
| Land Area | 1.3 | 3.8 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Pen Argyl, PA | Weaverville, NC | United States |
| Age 0 to 4 | 5.2% | 5.2% | 5.9% |
| Age 5 to 9 | 7.2% | 3.3% | 6.1% |
| Age 10 to 14 | 7.1% | 4.0% | 6.6% |
| Age 15 to 17 | 0.9% | 1.5% | 3.9% |
| Age 18 to 20 | 5.5% | 2.5% | 4.0% |
| Age 21 to 24 | 6.1% | 2.2% | 5.2% |
| Age 25 to 34 | 17.3% | 10.0% | 13.8% |
| Age 35 to 44 | 11.7% | 11.5% | 12.9% |
| Age 45 to 54 | 12.9% | 14.7% | 12.6% |
| Age 55 to 59 | 8.8% | 7.3% | 6.7% |
| Age 60 to 64 | 6.5% | 12.4% | 6.3% |
| Age 65 to 74 | 6.3% | 15.8% | 9.6% |
| Age 75 to 84 | 2.4% | 6.4% | 4.5% |
| Age 85 and over | 2.2% | 3.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Pen Argyl, PA | Weaverville, NC | United States |
| White | 86.4% | 95.0% | 59.4% |
| Black | 2.9% | 0.3% | 12.2% |
| Asian | 0.0% | 0.4% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.8% | 2.3% | 3.2% |
| Hispanic | 8.0% | 1.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Pen Argyl, PA | Weaverville, NC | United States |
| Married Population | 58.2% | 57.8% | 49.8% |
| Currently Married | 53.3% | 56.3% | 48.0% |
| Married but Separated | 4.9% | 1.5% | 1.8% |
| Single Population | 41.8% | 42.2% | 50.2% |
| Never Married | 30.3% | 24.5% | 33.8% |
| Divorced | 8.9% | 9.8% | 10.8% |
| Widowed | 2.6% | 7.8% | 5.6% |
| space5 | | | |
| Household Size | 2.63 | 2.36 | 2.60 |
| Households | 1,327 | 1,852 | 124,010,992 |
| Family Households | 1,005 | 1,256 | 80,755,759 |
| Married couple, w/children | 22.6% | 17.8% | 30.5% |
| Married couple, no children | 53.1% | 67.1% | 42.9% |
| Non Family Households | 322 | 596 | 43,255,233 |
| Single householder, w/children | 18.5% | 9.2% | 15.8% |
| Single householder, no children | 5.8% | 5.9% | 10.8% |