| | Avon, IN | Saline, MI | United States |
| Population | 20,848 | 9,072 | 329,725,481 |
| Female Population | 53.6% | 50.3% | 50.5% |
| Male Population | 46.4% | 49.7% | 49.5% |
| Median Age | 36.8 | 44.6 | 38.4 |
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| Population - 2010 | 13,626 | 8,843 | 309,327,143 |
| Population - 2000 | 6,248 | 8,034 | 285,036,114 |
| Population - 1990 | 4,543 | 6,660 | 251,960,433 |
| Pop. 2000 to Now | 209.9% | 16.4% | 15.6% |
| Pop. 1990 to Now | 326.2% | 40.4% | 30.8% |
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| Population Density | 1,119.7 | 2,147.7 | 93.4 |
| Land Area | 18.6 | 4.2 | 3,531,905.4 |
| Water Area | 0.1 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Avon, IN | Saline, MI | United States |
| Age 0 to 4 | 6.9% | 5.4% | 5.9% |
| Age 5 to 9 | 6.7% | 6.2% | 6.1% |
| Age 10 to 14 | 6.9% | 4.9% | 6.6% |
| Age 15 to 17 | 4.0% | 3.7% | 3.9% |
| Age 18 to 20 | 2.8% | 3.2% | 4.0% |
| Age 21 to 24 | 4.7% | 3.5% | 5.2% |
| Age 25 to 34 | 14.3% | 10.2% | 13.8% |
| Age 35 to 44 | 18.6% | 13.5% | 12.9% |
| Age 45 to 54 | 11.7% | 12.5% | 12.6% |
| Age 55 to 59 | 5.4% | 6.9% | 6.7% |
| Age 60 to 64 | 6.7% | 5.7% | 6.3% |
| Age 65 to 74 | 7.6% | 14.2% | 9.6% |
| Age 75 to 84 | 2.3% | 4.9% | 4.5% |
| Age 85 and over | 1.3% | 5.2% | 1.9% |
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| Race | | | |
| | Avon, IN | Saline, MI | United States |
| White | 77.7% | 87.9% | 59.4% |
| Black | 8.2% | 1.5% | 12.2% |
| Asian | 2.4% | 3.4% | 5.6% |
| Native American | 0.2% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 5.2% | 2.8% | 3.2% |
| Hispanic | 6.3% | 3.8% | 18.4% |
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| Marriage & Family | | | |
| | Avon, IN | Saline, MI | United States |
| Married Population | 55.5% | 54.4% | 49.8% |
| Currently Married | 55.3% | 53.9% | 48.0% |
| Married but Separated | 0.2% | 0.5% | 1.8% |
| Single Population | 44.5% | 45.6% | 50.2% |
| Never Married | 28.1% | 31.8% | 33.8% |
| Divorced | 11.7% | 8.2% | 10.8% |
| Widowed | 4.7% | 5.6% | 5.6% |
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| Household Size | 2.62 | 2.43 | 2.60 |
| Households | 7,943 | 3,679 | 124,010,992 |
| Family Households | 5,760 | 2,399 | 80,755,759 |
| Married couple, w/children | 36.9% | 32.6% | 30.5% |
| Married couple, no children | 39.4% | 48.9% | 42.9% |
| Non Family Households | 2,183 | 1,280 | 43,255,233 |
| Single householder, w/children | 16.3% | 8.2% | 15.8% |
| Single householder, no children | 7.4% | 10.2% | 10.8% |