| | Wilmington Manor, DE | Cheswold, DE | United States |
| Population | 8,212 | 1,705 | 329,725,481 |
| Female Population | 51.5% | 52.9% | 50.5% |
| Male Population | 48.6% | 47.2% | 49.5% |
| Median Age | 37.9 | 43.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 7,865 | 1,501 | 309,327,143 |
| Population - 2000 | 8,262 | 313 | 285,036,114 |
| Population - 1990 | 8,568 | 321 | 251,960,433 |
| Pop. 2000 to Now | -6.7% | 462.0% | 15.6% |
| Pop. 1990 to Now | -10.0% | 448.0% | 30.8% |
| space4 | | | |
| Population Density | 5,078.5 | 927.6 | 93.4 |
| Land Area | 1.6 | 1.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Wilmington Manor, DE | Cheswold, DE | United States |
| Age 0 to 4 | 6.4% | 8.7% | 5.9% |
| Age 5 to 9 | 5.8% | 4.6% | 6.1% |
| Age 10 to 14 | 5.7% | 5.7% | 6.6% |
| Age 15 to 17 | 3.0% | 3.6% | 3.9% |
| Age 18 to 20 | 7.9% | 3.9% | 4.0% |
| Age 21 to 24 | 3.7% | 4.9% | 5.2% |
| Age 25 to 34 | 12.2% | 8.5% | 13.8% |
| Age 35 to 44 | 13.4% | 11.7% | 12.9% |
| Age 45 to 54 | 12.3% | 17.7% | 12.6% |
| Age 55 to 59 | 8.9% | 9.5% | 6.7% |
| Age 60 to 64 | 5.3% | 3.3% | 6.3% |
| Age 65 to 74 | 9.1% | 8.2% | 9.6% |
| Age 75 to 84 | 5.1% | 7.4% | 4.5% |
| Age 85 and over | 1.3% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Wilmington Manor, DE | Cheswold, DE | United States |
| White | 45.6% | 48.0% | 59.4% |
| Black | 19.7% | 32.9% | 12.2% |
| Asian | 5.1% | 2.7% | 5.6% |
| Native American | 0.1% | 0.8% | 0.6% |
| Hawaiian, Pacific Islander | 0.5% | 0.0% | 0.2% |
| Other | 1.7% | 0.0% | 0.4% |
| Two or More Races | 2.9% | 4.3% | 3.2% |
| Hispanic | 24.3% | 11.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Wilmington Manor, DE | Cheswold, DE | United States |
| Married Population | 42.1% | 51.8% | 49.8% |
| Currently Married | 40.2% | 46.8% | 48.0% |
| Married but Separated | 1.9% | 4.9% | 1.8% |
| Single Population | 57.9% | 48.2% | 50.2% |
| Never Married | 38.1% | 33.5% | 33.8% |
| Divorced | 14.0% | 8.3% | 10.8% |
| Widowed | 5.8% | 6.4% | 5.6% |
| space5 | | | |
| Household Size | 2.43 | 2.87 | 2.60 |
| Households | 3,381 | 595 | 124,010,992 |
| Family Households | 2,143 | 444 | 80,755,759 |
| Married couple, w/children | 23.3% | 22.1% | 30.5% |
| Married couple, no children | 31.7% | 40.8% | 42.9% |
| Non Family Households | 1,238 | 151 | 43,255,233 |
| Single householder, w/children | 14.2% | 23.6% | 15.8% |
| Single householder, no children | 30.8% | 13.5% | 10.8% |