| Wilmington, DE | Joliet, IL | United States |
Population | 70,926 | 150,323 | 329,725,481 |
Female Population | 52.9% | 50.2% | 50.5% |
Male Population | 47.1% | 49.8% | 49.5% |
Median Age | 36.3 | 33.6 | 38.4 |
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Population - 2010 | 70,834 | 147,521 | 309,327,143 |
Population - 2000 | 72,664 | 106,221 | 285,036,114 |
Population - 1990 | 71,529 | 76,836 | 251,960,433 |
Pop. 2000 to Now | -3.2% | 38.1% | 15.6% |
Pop. 1990 to Now | -1.6% | 90.9% | 30.8% |
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Population Density | 6,504.6 | 2,344.3 | 93.4 |
Land Area | 10.9 | 64.1 | 3,531,905.4 |
Water Area | 6.0 | 0.7 | 264,836.8 |
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Est. Total Population By Age | | | |
| Wilmington, DE | Joliet, IL | United States |
Age 0 to 4 | 5.9% | 6.4% | 5.9% |
Age 5 to 9 | 5.7% | 7.3% | 6.1% |
Age 10 to 14 | 7.0% | 8.8% | 6.6% |
Age 15 to 17 | 3.5% | 4.8% | 3.9% |
Age 18 to 20 | 3.3% | 5.1% | 4.0% |
Age 21 to 24 | 4.7% | 5.7% | 5.2% |
Age 25 to 34 | 18.0% | 13.5% | 13.8% |
Age 35 to 44 | 13.1% | 13.9% | 12.9% |
Age 45 to 54 | 11.7% | 14.6% | 12.6% |
Age 55 to 59 | 6.4% | 5.7% | 6.7% |
Age 60 to 64 | 7.1% | 4.2% | 6.3% |
Age 65 to 74 | 8.3% | 6.3% | 9.6% |
Age 75 to 84 | 3.8% | 2.6% | 4.5% |
Age 85 and over | 1.5% | 1.0% | 1.9% |
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Race | | | |
| Wilmington, DE | Joliet, IL | United States |
White | 28.9% | 44.9% | 59.4% |
Black | 56.1% | 16.8% | 12.2% |
Asian | 1.2% | 1.7% | 5.6% |
Native American | 0.2% | 0.0% | 0.6% |
Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
Other | 0.5% | 0.3% | 0.4% |
Two or More Races | 2.6% | 2.5% | 3.2% |
Hispanic | 10.5% | 33.8% | 18.4% |
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Marriage & Family | | | |
| Wilmington, DE | Joliet, IL | United States |
Married Population | 29.2% | 47.3% | 49.8% |
Currently Married | 26.7% | 45.8% | 48.0% |
Married but Separated | 2.5% | 1.5% | 1.8% |
Single Population | 70.8% | 52.7% | 50.2% |
Never Married | 52.5% | 38.7% | 33.8% |
Divorced | 12.8% | 10.0% | 10.8% |
Widowed | 5.6% | 4.0% | 5.6% |
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Household Size | 2.16 | 2.98 | 2.60 |
Households | 31,392 | 49,563 | 124,010,992 |
Family Households | 14,282 | 34,947 | 80,755,759 |
Married couple, w/children | 16.2% | 39.6% | 30.5% |
Married couple, no children | 29.7% | 30.8% | 42.9% |
Non Family Households | 17,110 | 14,616 | 43,255,233 |
Single householder, w/children | 32.7% | 19.4% | 15.8% |
Single householder, no children | 21.3% | 10.2% | 10.8% |