| | Amity Gardens, PA | Douglassville, PA | United States |
| Population | 4,038 | 419 | 329,725,481 |
| Female Population | 44.4% | 57.0% | 50.5% |
| Male Population | 55.6% | 43.0% | 49.5% |
| Median Age | 38.1 | 77.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,536 | 241 | 309,327,143 |
| Population - 2000 | 3,370 | 348 | 285,036,114 |
| Population - 1990 | 2,714 | 304 | 251,960,433 |
| Pop. 2000 to Now | -3.5% | 80.2% | 15.6% |
| Pop. 1990 to Now | 19.9% | 106.3% | 30.8% |
| space4 | | | |
| Population Density | 3,401.9 | 649.6 | 93.4 |
| Land Area | 1.2 | 0.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Amity Gardens, PA | Douglassville, PA | United States |
| Age 0 to 4 | 7.4% | 0.0% | 5.9% |
| Age 5 to 9 | 12.5% | 0.0% | 6.1% |
| Age 10 to 14 | 5.1% | 0.0% | 6.6% |
| Age 15 to 17 | 1.7% | 0.0% | 3.9% |
| Age 18 to 20 | 5.9% | 0.0% | 4.0% |
| Age 21 to 24 | 4.5% | 0.0% | 5.2% |
| Age 25 to 34 | 6.9% | 4.1% | 13.8% |
| Age 35 to 44 | 18.9% | 14.1% | 12.9% |
| Age 45 to 54 | 10.0% | 4.3% | 12.6% |
| Age 55 to 59 | 6.6% | 7.9% | 6.7% |
| Age 60 to 64 | 4.9% | 6.7% | 6.3% |
| Age 65 to 74 | 11.0% | 2.4% | 9.6% |
| Age 75 to 84 | 3.5% | 30.8% | 4.5% |
| Age 85 and over | 1.2% | 29.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Amity Gardens, PA | Douglassville, PA | United States |
| White | 79.2% | 92.8% | 59.4% |
| Black | 5.1% | 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 | 8.4% | 0.0% | 3.2% |
| Hispanic | 6.9% | 7.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Amity Gardens, PA | Douglassville, PA | United States |
| Married Population | 53.3% | 49.6% | 49.8% |
| Currently Married | 46.1% | 49.6% | 48.0% |
| Married but Separated | 7.2% | 0.0% | 1.8% |
| Single Population | 46.7% | 50.4% | 50.2% |
| Never Married | 24.5% | 19.3% | 33.8% |
| Divorced | 16.3% | 0.0% | 10.8% |
| Widowed | 5.9% | 31.0% | 5.6% |
| space5 | | | |
| Household Size | 3.15 | 1.33 | 2.60 |
| Households | 1,281 | 316 | 124,010,992 |
| Family Households | 1,014 | 94 | 80,755,759 |
| Married couple, w/children | 30.1% | 0.0% | 30.5% |
| Married couple, no children | 37.0% | 100.0% | 42.9% |
| Non Family Households | 267 | 222 | 43,255,233 |
| Single householder, w/children | 18.5% | 0.0% | 15.8% |
| Single householder, no children | 14.4% | 0.0% | 10.8% |