| | Tamaqua, PA | Salem, KY | United States |
| Population | 6,940 | 681 | 329,725,481 |
| Female Population | 50.0% | 52.7% | 50.5% |
| Male Population | 50.0% | 47.3% | 49.5% |
| Median Age | 38.6 | 50.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 7,098 | 756 | 309,327,143 |
| Population - 2000 | 7,174 | 769 | 285,036,114 |
| Population - 1990 | 7,943 | 770 | 251,960,433 |
| Pop. 2000 to Now | -7.5% | -6.8% | 15.6% |
| Pop. 1990 to Now | -16.5% | -6.9% | 30.8% |
| space4 | | | |
| Population Density | 725.8 | 799.3 | 93.4 |
| Land Area | 9.6 | 0.9 | 3,531,905.4 |
| Water Area | 0.2 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Tamaqua, PA | Salem, KY | United States |
| Age 0 to 4 | 7.6% | 8.7% | 5.9% |
| Age 5 to 9 | 6.1% | 1.6% | 6.1% |
| Age 10 to 14 | 6.6% | 4.0% | 6.6% |
| Age 15 to 17 | 5.8% | 1.9% | 3.9% |
| Age 18 to 20 | 4.0% | 5.4% | 4.0% |
| Age 21 to 24 | 2.7% | 3.1% | 5.2% |
| Age 25 to 34 | 11.6% | 10.4% | 13.8% |
| Age 35 to 44 | 11.9% | 9.8% | 12.9% |
| Age 45 to 54 | 13.8% | 11.6% | 12.6% |
| Age 55 to 59 | 7.7% | 6.2% | 6.7% |
| Age 60 to 64 | 6.4% | 8.1% | 6.3% |
| Age 65 to 74 | 9.0% | 13.4% | 9.6% |
| Age 75 to 84 | 5.0% | 11.6% | 4.5% |
| Age 85 and over | 1.8% | 4.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Tamaqua, PA | Salem, KY | United States |
| White | 82.5% | 87.7% | 59.4% |
| Black | 0.4% | 1.2% | 12.2% |
| Asian | 0.0% | 0.7% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 4.3% | 2.8% | 3.2% |
| Hispanic | 12.8% | 7.6% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Tamaqua, PA | Salem, KY | United States |
| Married Population | 45.8% | 45.9% | 49.8% |
| Currently Married | 43.9% | 44.9% | 48.0% |
| Married but Separated | 1.9% | 1.0% | 1.8% |
| Single Population | 54.2% | 54.1% | 50.2% |
| Never Married | 33.7% | 21.2% | 33.8% |
| Divorced | 12.2% | 16.4% | 10.8% |
| Widowed | 8.3% | 16.4% | 5.6% |
| space5 | | | |
| Household Size | 2.46 | 2.49 | 2.60 |
| Households | 2,826 | 254 | 124,010,992 |
| Family Households | 1,755 | 156 | 80,755,759 |
| Married couple, w/children | 22.6% | 23.7% | 30.5% |
| Married couple, no children | 39.8% | 50.6% | 42.9% |
| Non Family Households | 1,071 | 98 | 43,255,233 |
| Single householder, w/children | 23.4% | 10.9% | 15.8% |
| Single householder, no children | 14.2% | 14.7% | 10.8% |