| | Shorewood, WI | Grayslake, IL | United States |
| Population | 13,734 | 20,827 | 329,725,481 |
| Female Population | 53.3% | 48.9% | 50.5% |
| Male Population | 46.7% | 51.1% | 49.5% |
| Median Age | 38.2 | 37.7 | 38.4 |
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| Population - 2010 | 13,149 | 21,064 | 309,327,143 |
| Population - 2000 | 13,763 | 18,506 | 285,036,114 |
| Population - 1990 | 14,116 | 7,388 | 251,960,433 |
| Pop. 2000 to Now | -4.7% | 11.2% | 15.6% |
| Pop. 1990 to Now | -7.1% | 178.6% | 30.8% |
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| Population Density | 8,637.7 | 1,896.0 | 93.4 |
| Land Area | 1.6 | 11.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Shorewood, WI | Grayslake, IL | United States |
| Age 0 to 4 | 6.0% | 6.7% | 5.9% |
| Age 5 to 9 | 6.4% | 5.9% | 6.1% |
| Age 10 to 14 | 5.5% | 6.4% | 6.6% |
| Age 15 to 17 | 3.2% | 4.3% | 3.9% |
| Age 18 to 20 | 3.4% | 3.5% | 4.0% |
| Age 21 to 24 | 4.9% | 6.0% | 5.2% |
| Age 25 to 34 | 16.1% | 13.2% | 13.8% |
| Age 35 to 44 | 14.1% | 13.2% | 12.9% |
| Age 45 to 54 | 11.8% | 15.0% | 12.6% |
| Age 55 to 59 | 5.2% | 7.7% | 6.7% |
| Age 60 to 64 | 7.7% | 6.1% | 6.3% |
| Age 65 to 74 | 8.6% | 7.6% | 9.6% |
| Age 75 to 84 | 5.1% | 3.3% | 4.5% |
| Age 85 and over | 2.1% | 1.2% | 1.9% |
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| Race | | | |
| | Shorewood, WI | Grayslake, IL | United States |
| White | 80.3% | 72.0% | 59.4% |
| Black | 2.9% | 6.9% | 12.2% |
| Asian | 6.6% | 5.9% | 5.6% |
| Native American | 0.2% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.3% | 0.2% |
| Other | 1.3% | 0.6% | 0.4% |
| Two or More Races | 5.1% | 4.4% | 3.2% |
| Hispanic | 3.6% | 9.8% | 18.4% |
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| Marriage & Family | | | |
| | Shorewood, WI | Grayslake, IL | United States |
| Married Population | 50.9% | 57.8% | 49.8% |
| Currently Married | 50.2% | 56.7% | 48.0% |
| Married but Separated | 0.7% | 1.1% | 1.8% |
| Single Population | 49.1% | 42.2% | 50.2% |
| Never Married | 34.9% | 30.4% | 33.8% |
| Divorced | 9.7% | 8.4% | 10.8% |
| Widowed | 4.5% | 3.4% | 5.6% |
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| Household Size | 2.12 | 2.65 | 2.60 |
| Households | 6,490 | 7,817 | 124,010,992 |
| Family Households | 3,399 | 5,432 | 80,755,759 |
| Married couple, w/children | 37.2% | 41.1% | 30.5% |
| Married couple, no children | 43.6% | 44.5% | 42.9% |
| Non Family Households | 3,091 | 2,385 | 43,255,233 |
| Single householder, w/children | 12.9% | 7.4% | 15.8% |
| Single householder, no children | 6.3% | 7.0% | 10.8% |