| | Anniston, AL | Rochester, NY | United States |
| Population | 21,455 | 211,100 | 329,725,481 |
| Female Population | 53.4% | 51.5% | 50.5% |
| Male Population | 46.6% | 48.5% | 49.5% |
| Median Age | 42.3 | 32.9 | 38.4 |
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| Population - 2010 | 22,945 | 210,190 | 309,327,143 |
| Population - 2000 | 24,276 | 219,773 | 285,036,114 |
| Population - 1990 | 26,623 | 231,636 | 251,960,433 |
| Pop. 2000 to Now | -13.1% | -6.6% | 15.6% |
| Pop. 1990 to Now | -20.8% | -11.4% | 30.8% |
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| Population Density | 470.6 | 5,902.3 | 93.4 |
| Land Area | 45.6 | 35.8 | 3,531,905.4 |
| Water Area | 0.1 | 1.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Anniston, AL | Rochester, NY | United States |
| Age 0 to 4 | 6.3% | 6.2% | 5.9% |
| Age 5 to 9 | 4.9% | 5.7% | 6.1% |
| Age 10 to 14 | 5.5% | 6.6% | 6.6% |
| Age 15 to 17 | 3.4% | 3.6% | 3.9% |
| Age 18 to 20 | 3.2% | 4.6% | 4.0% |
| Age 21 to 24 | 4.8% | 7.5% | 5.2% |
| Age 25 to 34 | 13.0% | 19.4% | 13.8% |
| Age 35 to 44 | 11.5% | 12.0% | 12.9% |
| Age 45 to 54 | 11.9% | 10.8% | 12.6% |
| Age 55 to 59 | 7.2% | 6.3% | 6.7% |
| Age 60 to 64 | 7.8% | 5.3% | 6.3% |
| Age 65 to 74 | 13.6% | 7.7% | 9.6% |
| Age 75 to 84 | 4.7% | 3.2% | 4.5% |
| Age 85 and over | 2.3% | 1.2% | 1.9% |
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| Race | | | |
| | Anniston, AL | Rochester, NY | United States |
| White | 42.2% | 37.1% | 59.4% |
| Black | 50.9% | 36.3% | 12.2% |
| Asian | 0.4% | 3.4% | 5.6% |
| Native American | 0.4% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.5% | 0.4% |
| Two or More Races | 2.6% | 3.7% | 3.2% |
| Hispanic | 3.5% | 18.7% | 18.4% |
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| Marriage & Family | | | |
| | Anniston, AL | Rochester, NY | United States |
| Married Population | 38.7% | 28.3% | 49.8% |
| Currently Married | 36.2% | 24.7% | 48.0% |
| Married but Separated | 2.6% | 3.5% | 1.8% |
| Single Population | 61.3% | 71.7% | 50.2% |
| Never Married | 36.3% | 56.0% | 33.8% |
| Divorced | 16.5% | 11.0% | 10.8% |
| Widowed | 8.4% | 4.8% | 5.6% |
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| Household Size | 2.20 | 2.21 | 2.60 |
| Households | 9,322 | 91,400 | 124,010,992 |
| Family Households | 5,136 | 42,729 | 80,755,759 |
| Married couple, w/children | 17.2% | 15.2% | 30.5% |
| Married couple, no children | 42.6% | 28.2% | 42.9% |
| Non Family Households | 4,186 | 48,671 | 43,255,233 |
| Single householder, w/children | 25.9% | 38.1% | 15.8% |
| Single householder, no children | 14.3% | 18.5% | 10.8% |