| | Avon Lake, OH | Bloomington, IL | United States |
| Population | 25,005 | 78,372 | 329,725,481 |
| Female Population | 50.9% | 50.5% | 50.5% |
| Male Population | 49.1% | 49.5% | 49.5% |
| Median Age | 45 | 35.4 | 38.4 |
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| Population - 2010 | 22,609 | 76,809 | 309,327,143 |
| Population - 2000 | 18,145 | 64,808 | 285,036,114 |
| Population - 1990 | 15,066 | 51,972 | 251,960,433 |
| Pop. 2000 to Now | 36.7% | 19.0% | 15.6% |
| Pop. 1990 to Now | 64.7% | 48.4% | 30.8% |
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| Population Density | 2,246.6 | 2,887.4 | 93.4 |
| Land Area | 11.1 | 27.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Avon Lake, OH | Bloomington, IL | United States |
| Age 0 to 4 | 5.4% | 6.7% | 5.9% |
| Age 5 to 9 | 5.0% | 6.0% | 6.1% |
| Age 10 to 14 | 8.1% | 6.0% | 6.6% |
| Age 15 to 17 | 6.0% | 3.9% | 3.9% |
| Age 18 to 20 | 2.5% | 5.5% | 4.0% |
| Age 21 to 24 | 1.9% | 7.1% | 5.2% |
| Age 25 to 34 | 8.4% | 14.3% | 13.8% |
| Age 35 to 44 | 12.8% | 13.6% | 12.9% |
| Age 45 to 54 | 16.9% | 12.1% | 12.6% |
| Age 55 to 59 | 6.2% | 6.4% | 6.7% |
| Age 60 to 64 | 6.9% | 5.5% | 6.3% |
| Age 65 to 74 | 11.3% | 8.4% | 9.6% |
| Age 75 to 84 | 6.3% | 3.4% | 4.5% |
| Age 85 and over | 2.3% | 1.3% | 1.9% |
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| Race | | | |
| | Avon Lake, OH | Bloomington, IL | United States |
| White | 91.0% | 73.1% | 59.4% |
| Black | 0.9% | 9.3% | 12.2% |
| Asian | 2.9% | 8.5% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 0.2% | 0.4% |
| Two or More Races | 2.2% | 2.9% | 3.2% |
| Hispanic | 2.6% | 5.7% | 18.4% |
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| Marriage & Family | | | |
| | Avon Lake, OH | Bloomington, IL | United States |
| Married Population | 61.8% | 49.2% | 49.8% |
| Currently Married | 61.4% | 48.2% | 48.0% |
| Married but Separated | 0.4% | 1.0% | 1.8% |
| Single Population | 38.2% | 50.8% | 50.2% |
| Never Married | 20.2% | 36.5% | 33.8% |
| Divorced | 12.7% | 10.0% | 10.8% |
| Widowed | 5.3% | 4.3% | 5.6% |
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| Household Size | 2.41 | 2.30 | 2.60 |
| Households | 10,311 | 33,090 | 124,010,992 |
| Family Households | 6,771 | 18,848 | 80,755,759 |
| Married couple, w/children | 43.7% | 33.9% | 30.5% |
| Married couple, no children | 45.3% | 44.8% | 42.9% |
| Non Family Households | 3,540 | 14,242 | 43,255,233 |
| Single householder, w/children | 7.1% | 14.4% | 15.8% |
| Single householder, no children | 3.9% | 6.9% | 10.8% |