| | Gates Mills, OH | Charlotte, NC | United States |
| Population | 2,189 | 864,871 | 329,725,481 |
| Female Population | 49.8% | 51.8% | 50.5% |
| Male Population | 50.2% | 48.3% | 49.5% |
| Median Age | 48.1 | 34.5 | 38.4 |
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| Population - 2010 | 2,274 | 738,446 | 309,327,143 |
| Population - 2000 | 2,493 | 540,828 | 285,036,114 |
| Population - 1990 | 2,508 | 395,934 | 251,960,433 |
| Pop. 2000 to Now | -11.5% | 66.5% | 15.6% |
| Pop. 1990 to Now | -12.0% | 127.4% | 30.8% |
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| Population Density | 244.1 | 2,821.0 | 93.4 |
| Land Area | 9.0 | 306.6 | 3,531,905.4 |
| Water Area | 0.1 | 2.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Gates Mills, OH | Charlotte, NC | United States |
| Age 0 to 4 | 7.0% | 6.5% | 5.9% |
| Age 5 to 9 | 7.5% | 6.5% | 6.1% |
| Age 10 to 14 | 5.6% | 6.4% | 6.6% |
| Age 15 to 17 | 2.5% | 3.8% | 3.9% |
| Age 18 to 20 | 1.8% | 3.7% | 4.0% |
| Age 21 to 24 | 3.7% | 5.7% | 5.2% |
| Age 25 to 34 | 4.7% | 18.2% | 13.8% |
| Age 35 to 44 | 14.5% | 14.8% | 12.9% |
| Age 45 to 54 | 11.0% | 13.0% | 12.6% |
| Age 55 to 59 | 6.4% | 5.9% | 6.7% |
| Age 60 to 64 | 7.0% | 5.0% | 6.3% |
| Age 65 to 74 | 17.4% | 6.6% | 9.6% |
| Age 75 to 84 | 9.0% | 2.7% | 4.5% |
| Age 85 and over | 1.8% | 1.2% | 1.9% |
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| Race | | | |
| | Gates Mills, OH | Charlotte, NC | United States |
| White | 88.3% | 40.2% | 59.4% |
| Black | 0.2% | 34.7% | 12.2% |
| Asian | 5.2% | 6.5% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.7% | 0.4% | 0.4% |
| Two or More Races | 1.8% | 3.1% | 3.2% |
| Hispanic | 3.8% | 14.9% | 18.4% |
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| Marriage & Family | | | |
| | Gates Mills, OH | Charlotte, NC | United States |
| Married Population | 68.6% | 44.4% | 49.8% |
| Currently Married | 68.0% | 42.0% | 48.0% |
| Married but Separated | 0.6% | 2.4% | 1.8% |
| Single Population | 31.4% | 55.6% | 50.2% |
| Never Married | 19.6% | 41.4% | 33.8% |
| Divorced | 6.1% | 10.3% | 10.8% |
| Widowed | 5.7% | 3.9% | 5.6% |
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| Household Size | 2.81 | 2.47 | 2.60 |
| Households | 772 | 345,944 | 124,010,992 |
| Family Households | 618 | 198,553 | 80,755,759 |
| Married couple, w/children | 31.2% | 31.6% | 30.5% |
| Married couple, no children | 58.3% | 36.3% | 42.9% |
| Non Family Households | 154 | 147,391 | 43,255,233 |
| Single householder, w/children | 5.3% | 20.3% | 15.8% |
| Single householder, no children | 5.2% | 11.8% | 10.8% |