| | Forksville, PA | Eagles Mere, PA | United States |
| Population | 138 | 102 | 329,725,481 |
| Female Population | 56.5% | 52.0% | 50.5% |
| Male Population | 43.5% | 48.0% | 49.5% |
| Median Age | 58.6 | 65 | 38.4 |
| space3 | | | |
| Population - 2010 | 144 | 120 | 309,327,143 |
| Population - 2000 | 147 | 153 | 285,036,114 |
| Population - 1990 | 160 | 123 | 251,960,433 |
| Pop. 2000 to Now | -10.2% | -26.8% | 15.6% |
| Pop. 1990 to Now | -17.5% | -8.9% | 30.8% |
| space4 | | | |
| Population Density | 87.7 | 49.6 | 93.4 |
| Land Area | 1.6 | 2.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Forksville, PA | Eagles Mere, PA | United States |
| Age 0 to 4 | 2.9% | 1.0% | 5.9% |
| Age 5 to 9 | 0.7% | 2.9% | 6.1% |
| Age 10 to 14 | 5.1% | 6.9% | 6.6% |
| Age 15 to 17 | 4.3% | 2.0% | 3.9% |
| Age 18 to 20 | 0.0% | 0.0% | 4.0% |
| Age 21 to 24 | 2.9% | 0.0% | 5.2% |
| Age 25 to 34 | 10.9% | 2.0% | 13.8% |
| Age 35 to 44 | 9.4% | 2.9% | 12.9% |
| Age 45 to 54 | 2.9% | 12.7% | 12.6% |
| Age 55 to 59 | 15.9% | 7.8% | 6.7% |
| Age 60 to 64 | 18.8% | 11.8% | 6.3% |
| Age 65 to 74 | 7.2% | 32.4% | 9.6% |
| Age 75 to 84 | 14.5% | 17.6% | 4.5% |
| Age 85 and over | 4.3% | 0.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Forksville, PA | Eagles Mere, PA | United States |
| White | 97.1% | 100.0% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 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 | 2.9% | 0.0% | 3.2% |
| Hispanic | 0.0% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Forksville, PA | Eagles Mere, PA | United States |
| Married Population | 38.9% | 63.7% | 49.8% |
| Currently Married | 35.7% | 63.7% | 48.0% |
| Married but Separated | 3.2% | 0.0% | 1.8% |
| Single Population | 61.1% | 36.3% | 50.2% |
| Never Married | 23.8% | 8.8% | 33.8% |
| Divorced | 21.4% | 16.5% | 10.8% |
| Widowed | 15.9% | 11.0% | 5.6% |
| space5 | | | |
| Household Size | 2.03 | 1.82 | 2.60 |
| Households | 68 | 56 | 124,010,992 |
| Family Households | 32 | 33 | 80,755,759 |
| Married couple, w/children | 28.1% | 12.1% | 30.5% |
| Married couple, no children | 46.9% | 69.7% | 42.9% |
| Non Family Households | 36 | 23 | 43,255,233 |
| Single householder, w/children | 9.4% | 18.2% | 15.8% |
| Single householder, no children | 15.6% | 0.0% | 10.8% |