| | New London, PA | South Coatesville, PA | United States |
| Population | 5,792 | 1,566 | 329,725,481 |
| Female Population | 47.5% | 59.5% | 50.5% |
| Male Population | 52.5% | 40.6% | 49.5% |
| Median Age | 41.6 | 34.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 5,645 | 1,317 | 309,327,143 |
| Population - 2000 | 4,583 | 997 | 285,036,114 |
| Population - 1990 | 2,721 | 1,026 | 251,960,433 |
| Pop. 2000 to Now | 30.2% | 50.4% | 15.6% |
| Pop. 1990 to Now | 119.3% | 46.1% | 30.8% |
| space4 | | | |
| Population Density | 497.1 | 902.1 | 93.4 |
| Land Area | 11.7 | 1.7 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | New London, PA | South Coatesville, PA | United States |
| Age 0 to 4 | 4.6% | 8.5% | 5.9% |
| Age 5 to 9 | 9.0% | 8.1% | 6.1% |
| Age 10 to 14 | 11.8% | 7.3% | 6.6% |
| Age 15 to 17 | 2.8% | 2.3% | 3.9% |
| Age 18 to 20 | 2.0% | 1.7% | 4.0% |
| Age 21 to 24 | 2.5% | 4.7% | 5.2% |
| Age 25 to 34 | 6.9% | 18.7% | 13.8% |
| Age 35 to 44 | 15.1% | 11.3% | 12.9% |
| Age 45 to 54 | 16.6% | 15.6% | 12.6% |
| Age 55 to 59 | 9.6% | 3.8% | 6.7% |
| Age 60 to 64 | 8.3% | 5.5% | 6.3% |
| Age 65 to 74 | 5.9% | 9.5% | 9.6% |
| Age 75 to 84 | 4.3% | 2.2% | 4.5% |
| Age 85 and over | 0.7% | 0.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | New London, PA | South Coatesville, PA | United States |
| White | 92.0% | 37.0% | 59.4% |
| Black | 0.5% | 38.1% | 12.2% |
| Asian | 0.5% | 0.6% | 5.6% |
| Native American | 0.0% | 0.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 1.4% | 2.7% | 3.2% |
| Hispanic | 5.7% | 20.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | New London, PA | South Coatesville, PA | United States |
| Married Population | 73.0% | 41.1% | 49.8% |
| Currently Married | 72.5% | 40.5% | 48.0% |
| Married but Separated | 0.5% | 0.7% | 1.8% |
| Single Population | 27.0% | 58.9% | 50.2% |
| Never Married | 17.1% | 40.1% | 33.8% |
| Divorced | 5.6% | 13.5% | 10.8% |
| Widowed | 4.3% | 5.2% | 5.6% |
| space5 | | | |
| Household Size | 2.94 | 2.41 | 2.60 |
| Households | 1,968 | 650 | 124,010,992 |
| Family Households | 1,724 | 421 | 80,755,759 |
| Married couple, w/children | 40.7% | 18.1% | 30.5% |
| Married couple, no children | 47.4% | 33.7% | 42.9% |
| Non Family Households | 244 | 229 | 43,255,233 |
| Single householder, w/children | 6.8% | 26.4% | 15.8% |
| Single householder, no children | 5.1% | 21.9% | 10.8% |