| | Bridgeville, DE | Sparta, NJ | United States |
| Population | 2,499 | 19,621 | 329,725,481 |
| Female Population | 48.9% | 50.8% | 50.5% |
| Male Population | 51.1% | 49.2% | 49.5% |
| Median Age | 56.3 | 42.4 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,015 | 19,576 | 309,327,143 |
| Population - 2000 | 1,436 | 18,080 | 285,036,114 |
| Population - 1990 | 1,210 | 15,157 | 251,960,433 |
| Pop. 2000 to Now | 69.9% | 2.9% | 15.6% |
| Pop. 1990 to Now | 101.7% | 22.7% | 30.8% |
| space4 | | | |
| Population Density | 539.5 | 531.1 | 93.4 |
| Land Area | 4.6 | 36.9 | 3,531,905.4 |
| Water Area | 0.0 | 2.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Bridgeville, DE | Sparta, NJ | United States |
| Age 0 to 4 | 5.6% | 5.9% | 5.9% |
| Age 5 to 9 | 5.4% | 6.8% | 6.1% |
| Age 10 to 14 | 6.1% | 7.2% | 6.6% |
| Age 15 to 17 | 2.7% | 4.9% | 3.9% |
| Age 18 to 20 | 4.0% | 3.8% | 4.0% |
| Age 21 to 24 | 2.3% | 4.0% | 5.2% |
| Age 25 to 34 | 6.0% | 8.4% | 13.8% |
| Age 35 to 44 | 9.2% | 12.3% | 12.9% |
| Age 45 to 54 | 7.5% | 16.1% | 12.6% |
| Age 55 to 59 | 5.2% | 10.7% | 6.7% |
| Age 60 to 64 | 8.5% | 6.5% | 6.3% |
| Age 65 to 74 | 29.0% | 7.9% | 9.6% |
| Age 75 to 84 | 7.6% | 4.1% | 4.5% |
| Age 85 and over | 0.9% | 1.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Bridgeville, DE | Sparta, NJ | United States |
| White | 56.0% | 86.2% | 59.4% |
| Black | 25.6% | 0.5% | 12.2% |
| Asian | 0.4% | 3.8% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.7% | 0.4% |
| Two or More Races | 1.0% | 3.0% | 3.2% |
| Hispanic | 16.4% | 5.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Bridgeville, DE | Sparta, NJ | United States |
| Married Population | 53.0% | 64.1% | 49.8% |
| Currently Married | 50.4% | 62.8% | 48.0% |
| Married but Separated | 2.6% | 1.3% | 1.8% |
| Single Population | 47.0% | 35.9% | 50.2% |
| Never Married | 20.7% | 24.5% | 33.8% |
| Divorced | 14.1% | 7.5% | 10.8% |
| Widowed | 12.3% | 3.9% | 5.6% |
| space5 | | | |
| Household Size | 2.29 | 2.79 | 2.60 |
| Households | 1,090 | 7,004 | 124,010,992 |
| Family Households | 704 | 5,477 | 80,755,759 |
| Married couple, w/children | 7.2% | 41.9% | 30.5% |
| Married couple, no children | 56.3% | 46.7% | 42.9% |
| Non Family Households | 386 | 1,527 | 43,255,233 |
| Single householder, w/children | 29.4% | 8.7% | 15.8% |
| Single householder, no children | 7.1% | 2.7% | 10.8% |