| | Goose Creek, SC | Dover, DE | United States |
| Population | 44,502 | 38,940 | 329,725,481 |
| Female Population | 48.1% | 53.5% | 50.5% |
| Male Population | 51.9% | 46.5% | 49.5% |
| Median Age | 31.9 | 34.4 | 38.4 |
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| Population - 2010 | 36,666 | 35,890 | 309,327,143 |
| Population - 2000 | 29,208 | 32,135 | 285,036,114 |
| Population - 1990 | 24,692 | 27,630 | 251,960,433 |
| Pop. 2000 to Now | 54.0% | 18.9% | 15.6% |
| Pop. 1990 to Now | 82.1% | 38.3% | 30.8% |
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| Population Density | 1,075.0 | 1,645.3 | 93.4 |
| Land Area | 41.4 | 23.7 | 3,531,905.4 |
| Water Area | 0.9 | 0.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Goose Creek, SC | Dover, DE | United States |
| Age 0 to 4 | 6.5% | 4.4% | 5.9% |
| Age 5 to 9 | 7.3% | 6.2% | 6.1% |
| Age 10 to 14 | 6.4% | 6.5% | 6.6% |
| Age 15 to 17 | 3.1% | 2.8% | 3.9% |
| Age 18 to 20 | 8.3% | 8.4% | 4.0% |
| Age 21 to 24 | 7.0% | 8.7% | 5.2% |
| Age 25 to 34 | 14.6% | 13.9% | 13.8% |
| Age 35 to 44 | 12.1% | 11.6% | 12.9% |
| Age 45 to 54 | 12.5% | 11.1% | 12.6% |
| Age 55 to 59 | 5.7% | 6.5% | 6.7% |
| Age 60 to 64 | 5.4% | 4.0% | 6.3% |
| Age 65 to 74 | 7.7% | 8.3% | 9.6% |
| Age 75 to 84 | 2.5% | 5.6% | 4.5% |
| Age 85 and over | 0.9% | 2.2% | 1.9% |
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| Race | | | |
| | Goose Creek, SC | Dover, DE | United States |
| White | 62.6% | 41.5% | 59.4% |
| Black | 19.1% | 39.4% | 12.2% |
| Asian | 3.2% | 2.4% | 5.6% |
| Native American | 0.4% | 0.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.8% | 0.7% | 0.4% |
| Two or More Races | 4.5% | 7.4% | 3.2% |
| Hispanic | 9.3% | 8.1% | 18.4% |
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| Marriage & Family | | | |
| | Goose Creek, SC | Dover, DE | United States |
| Married Population | 52.7% | 34.8% | 49.8% |
| Currently Married | 50.1% | 32.2% | 48.0% |
| Married but Separated | 2.6% | 2.5% | 1.8% |
| Single Population | 47.3% | 65.2% | 50.2% |
| Never Married | 34.6% | 46.4% | 33.8% |
| Divorced | 9.5% | 12.1% | 10.8% |
| Widowed | 3.3% | 6.7% | 5.6% |
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| Household Size | 2.74 | 2.32 | 2.60 |
| Households | 15,335 | 14,982 | 124,010,992 |
| Family Households | 11,474 | 8,083 | 80,755,759 |
| Married couple, w/children | 32.0% | 18.1% | 30.5% |
| Married couple, no children | 40.6% | 39.1% | 42.9% |
| Non Family Households | 3,861 | 6,899 | 43,255,233 |
| Single householder, w/children | 16.3% | 32.6% | 15.8% |
| Single householder, no children | 11.2% | 10.3% | 10.8% |