| | Pottstown, PA | Chandler, AZ | United States |
| Population | 23,282 | 272,439 | 329,725,481 |
| Female Population | 52.4% | 50.4% | 50.5% |
| Male Population | 47.6% | 49.6% | 49.5% |
| Median Age | 35.4 | 36.9 | 38.4 |
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| Population - 2010 | 22,370 | 236,459 | 309,327,143 |
| Population - 2000 | 21,859 | 176,581 | 285,036,114 |
| Population - 1990 | 21,831 | 90,533 | 251,960,433 |
| Pop. 2000 to Now | 3.3% | 50.3% | 15.6% |
| Pop. 1990 to Now | 3.4% | 193.2% | 30.8% |
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| Population Density | 4,798.4 | 4,192.6 | 93.4 |
| Land Area | 4.9 | 65.0 | 3,531,905.4 |
| Water Area | 0.1 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Pottstown, PA | Chandler, AZ | United States |
| Age 0 to 4 | 6.3% | 5.9% | 5.9% |
| Age 5 to 9 | 7.3% | 6.8% | 6.1% |
| Age 10 to 14 | 6.7% | 7.3% | 6.6% |
| Age 15 to 17 | 4.1% | 4.2% | 3.9% |
| Age 18 to 20 | 3.2% | 3.5% | 4.0% |
| Age 21 to 24 | 6.5% | 4.3% | 5.2% |
| Age 25 to 34 | 15.1% | 14.9% | 13.8% |
| Age 35 to 44 | 12.3% | 15.5% | 12.9% |
| Age 45 to 54 | 12.1% | 14.5% | 12.6% |
| Age 55 to 59 | 6.2% | 6.4% | 6.7% |
| Age 60 to 64 | 6.4% | 5.0% | 6.3% |
| Age 65 to 74 | 8.0% | 7.6% | 9.6% |
| Age 75 to 84 | 3.5% | 3.3% | 4.5% |
| Age 85 and over | 2.3% | 1.0% | 1.9% |
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| Race | | | |
| | Pottstown, PA | Chandler, AZ | United States |
| White | 63.0% | 56.4% | 59.4% |
| Black | 21.0% | 5.4% | 12.2% |
| Asian | 0.4% | 10.8% | 5.6% |
| Native American | 0.0% | 1.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.2% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 7.3% | 3.9% | 3.2% |
| Hispanic | 8.2% | 21.5% | 18.4% |
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| Marriage & Family | | | |
| | Pottstown, PA | Chandler, AZ | United States |
| Married Population | 40.2% | 52.7% | 49.8% |
| Currently Married | 36.7% | 51.6% | 48.0% |
| Married but Separated | 3.5% | 1.1% | 1.8% |
| Single Population | 59.8% | 47.3% | 50.2% |
| Never Married | 38.7% | 32.0% | 33.8% |
| Divorced | 14.6% | 12.1% | 10.8% |
| Widowed | 6.4% | 3.2% | 5.6% |
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| Household Size | 2.42 | 2.65 | 2.60 |
| Households | 9,525 | 102,568 | 124,010,992 |
| Family Households | 5,757 | 70,010 | 80,755,759 |
| Married couple, w/children | 22.3% | 36.4% | 30.5% |
| Married couple, no children | 33.4% | 38.8% | 42.9% |
| Non Family Households | 3,768 | 32,558 | 43,255,233 |
| Single householder, w/children | 31.5% | 15.3% | 15.8% |
| Single householder, no children | 12.8% | 9.4% | 10.8% |