| | Marshall, PA | Franklin Park, PA | United States |
| Population | 9,790 | 15,239 | 329,725,481 |
| Female Population | 50.5% | 49.5% | 50.5% |
| Male Population | 49.5% | 50.5% | 49.5% |
| Median Age | 41.7 | 41.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 6,941 | 13,544 | 309,327,143 |
| Population - 2000 | 5,996 | 11,364 | 285,036,114 |
| Population - 1990 | 4,010 | 10,109 | 251,960,433 |
| Pop. 2000 to Now | 64.6% | 31.0% | 15.6% |
| Pop. 1990 to Now | 146.1% | 47.2% | 30.8% |
| space4 | | | |
| Population Density | 633.4 | 1,126.9 | 93.4 |
| Land Area | 15.5 | 13.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Marshall, PA | Franklin Park, PA | United States |
| Age 0 to 4 | 3.5% | 5.9% | 5.9% |
| Age 5 to 9 | 9.1% | 7.6% | 6.1% |
| Age 10 to 14 | 10.7% | 9.4% | 6.6% |
| Age 15 to 17 | 4.6% | 4.7% | 3.9% |
| Age 18 to 20 | 4.4% | 1.5% | 4.0% |
| Age 21 to 24 | 1.9% | 2.8% | 5.2% |
| Age 25 to 34 | 9.6% | 10.9% | 13.8% |
| Age 35 to 44 | 12.7% | 12.9% | 12.9% |
| Age 45 to 54 | 16.4% | 14.9% | 12.6% |
| Age 55 to 59 | 9.1% | 7.4% | 6.7% |
| Age 60 to 64 | 5.3% | 7.9% | 6.3% |
| Age 65 to 74 | 9.8% | 9.2% | 9.6% |
| Age 75 to 84 | 2.6% | 3.8% | 4.5% |
| Age 85 and over | 0.4% | 1.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Marshall, PA | Franklin Park, PA | United States |
| White | 85.7% | 78.4% | 59.4% |
| Black | 3.3% | 3.5% | 12.2% |
| Asian | 8.5% | 13.8% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 1.1% | 1.8% | 3.2% |
| Hispanic | 1.5% | 2.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Marshall, PA | Franklin Park, PA | United States |
| Married Population | 63.4% | 71.1% | 49.8% |
| Currently Married | 62.5% | 70.0% | 48.0% |
| Married but Separated | 0.8% | 1.1% | 1.8% |
| Single Population | 36.6% | 28.9% | 50.2% |
| Never Married | 22.7% | 20.4% | 33.8% |
| Divorced | 12.3% | 5.5% | 10.8% |
| Widowed | 1.6% | 2.9% | 5.6% |
| space5 | | | |
| Household Size | 2.73 | 2.80 | 2.60 |
| Households | 3,580 | 5,445 | 124,010,992 |
| Family Households | 2,745 | 4,420 | 80,755,759 |
| Married couple, w/children | 36.9% | 45.4% | 30.5% |
| Married couple, no children | 45.7% | 44.7% | 42.9% |
| Non Family Households | 835 | 1,025 | 43,255,233 |
| Single householder, w/children | 13.8% | 5.2% | 15.8% |
| Single householder, no children | 3.6% | 4.6% | 10.8% |