| | Palmer Heights, PA | Slovan, PA | United States |
| Population | 4,078 | 563 | 329,725,481 |
| Female Population | 46.2% | 60.0% | 50.5% |
| Male Population | 53.8% | 40.0% | 49.5% |
| Median Age | 47.3 | 69.3 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,677 | 403 | 309,327,143 |
| Population - 2000 | 3,612 | 514 | 285,036,114 |
| Population - 1990 | 3,960 | 557 | 251,960,433 |
| Pop. 2000 to Now | 2.3% | -16.0% | 15.6% |
| Pop. 1990 to Now | -6.7% | -22.4% | 30.8% |
| space4 | | | |
| Population Density | 3,518.6 | 959.1 | 93.4 |
| Land Area | 1.2 | 0.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Palmer Heights, PA | Slovan, PA | United States |
| Age 0 to 4 | 5.5% | 0.0% | 5.9% |
| Age 5 to 9 | 3.4% | 2.8% | 6.1% |
| Age 10 to 14 | 9.9% | 10.3% | 6.6% |
| Age 15 to 17 | 3.2% | 0.0% | 3.9% |
| Age 18 to 20 | 1.3% | 1.8% | 4.0% |
| Age 21 to 24 | 1.5% | 1.8% | 5.2% |
| Age 25 to 34 | 12.0% | 0.0% | 13.8% |
| Age 35 to 44 | 7.8% | 2.8% | 12.9% |
| Age 45 to 54 | 16.3% | 20.4% | 12.6% |
| Age 55 to 59 | 7.8% | 3.9% | 6.7% |
| Age 60 to 64 | 5.8% | 0.0% | 6.3% |
| Age 65 to 74 | 15.0% | 25.4% | 9.6% |
| Age 75 to 84 | 6.6% | 19.4% | 4.5% |
| Age 85 and over | 3.8% | 11.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Palmer Heights, PA | Slovan, PA | United States |
| White | 88.5% | 100.0% | 59.4% |
| Black | 2.2% | 0.0% | 12.2% |
| Asian | 0.4% | 0.0% | 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 | 1.7% | 0.0% | 3.2% |
| Hispanic | 7.2% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Palmer Heights, PA | Slovan, PA | United States |
| Married Population | 61.2% | 56.2% | 49.8% |
| Currently Married | 61.0% | 56.2% | 48.0% |
| Married but Separated | 0.2% | 0.0% | 1.8% |
| Single Population | 38.8% | 43.8% | 50.2% |
| Never Married | 23.3% | 10.0% | 33.8% |
| Divorced | 8.4% | 24.1% | 10.8% |
| Widowed | 7.1% | 9.6% | 5.6% |
| space5 | | | |
| Household Size | 2.68 | 2.82 | 2.60 |
| Households | 1,441 | 200 | 124,010,992 |
| Family Households | 1,090 | 144 | 80,755,759 |
| Married couple, w/children | 39.4% | 6.3% | 30.5% |
| Married couple, no children | 50.5% | 76.4% | 42.9% |
| Non Family Households | 351 | 56 | 43,255,233 |
| Single householder, w/children | 3.5% | 11.8% | 15.8% |
| Single householder, no children | 6.7% | 5.6% | 10.8% |