| | Issaquah, WA | Chandler, AZ | United States |
| Population | 39,057 | 272,439 | 329,725,481 |
| Female Population | 51.4% | 50.4% | 50.5% |
| Male Population | 48.6% | 49.6% | 49.5% |
| Median Age | 36.8 | 36.9 | 38.4 |
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| Population - 2010 | 30,552 | 236,459 | 309,327,143 |
| Population - 2000 | 11,212 | 176,581 | 285,036,114 |
| Population - 1990 | 7,786 | 90,533 | 251,960,433 |
| Pop. 2000 to Now | 253.9% | 50.3% | 15.6% |
| Pop. 1990 to Now | 409.7% | 193.2% | 30.8% |
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| Population Density | 3,219.3 | 4,192.6 | 93.4 |
| Land Area | 12.1 | 65.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Issaquah, WA | Chandler, AZ | United States |
| Age 0 to 4 | 5.7% | 5.9% | 5.9% |
| Age 5 to 9 | 6.0% | 6.8% | 6.1% |
| Age 10 to 14 | 6.8% | 7.3% | 6.6% |
| Age 15 to 17 | 3.1% | 4.2% | 3.9% |
| Age 18 to 20 | 2.4% | 3.5% | 4.0% |
| Age 21 to 24 | 2.4% | 4.3% | 5.2% |
| Age 25 to 34 | 19.3% | 14.9% | 13.8% |
| Age 35 to 44 | 18.4% | 15.5% | 12.9% |
| Age 45 to 54 | 14.6% | 14.5% | 12.6% |
| Age 55 to 59 | 4.9% | 6.4% | 6.7% |
| Age 60 to 64 | 4.5% | 5.0% | 6.3% |
| Age 65 to 74 | 5.6% | 7.6% | 9.6% |
| Age 75 to 84 | 4.1% | 3.3% | 4.5% |
| Age 85 and over | 2.0% | 1.0% | 1.9% |
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| Race | | | |
| | Issaquah, WA | Chandler, AZ | United States |
| White | 60.1% | 56.4% | 59.4% |
| Black | 1.7% | 5.4% | 12.2% |
| Asian | 25.4% | 10.8% | 5.6% |
| Native American | 0.3% | 1.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.2% | 0.2% |
| Other | 0.3% | 0.3% | 0.4% |
| Two or More Races | 4.7% | 3.9% | 3.2% |
| Hispanic | 7.6% | 21.5% | 18.4% |
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| Marriage & Family | | | |
| | Issaquah, WA | Chandler, AZ | United States |
| Married Population | 57.1% | 52.7% | 49.8% |
| Currently Married | 56.6% | 51.6% | 48.0% |
| Married but Separated | 0.5% | 1.1% | 1.8% |
| Single Population | 42.9% | 47.3% | 50.2% |
| Never Married | 28.7% | 32.0% | 33.8% |
| Divorced | 10.0% | 12.1% | 10.8% |
| Widowed | 4.2% | 3.2% | 5.6% |
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| Household Size | 2.37 | 2.65 | 2.60 |
| Households | 16,361 | 102,568 | 124,010,992 |
| Family Households | 10,323 | 70,010 | 80,755,759 |
| Married couple, w/children | 40.5% | 36.4% | 30.5% |
| Married couple, no children | 44.0% | 38.8% | 42.9% |
| Non Family Households | 6,038 | 32,558 | 43,255,233 |
| Single householder, w/children | 6.9% | 15.3% | 15.8% |
| Single householder, no children | 8.7% | 9.4% | 10.8% |