| Timezone | Central Time |
| Area | 7.21 sq mi |
| Population | 19,842 (More Details) |
|
| Male Population | 9,805 (49.4%) |
| Female Population | 10,037 (50.6%) |
| Median Age | 39 |
| Zip Code | 60047 |
| Area Codes | 224, 312, 847 |
1 Zip Code in Lake Zurich, Illinois
Lake Zurich, Illinois Demographic Information
| Population | 19,842 |
| Population Density | 2,753 / mi² |
| Male Population | 9,805 (49.4%) |
| Female Population | 10,037 (50.6%) |
| Median Age | 39 |
| Male Median Age | 37.9 |
| Female Median Age | 40.1 |
| Businesses in Lake Zurich, Illinois | 2,109 |
| Population (1975) | 21,111 |
| Population (2000) | 17,685 |
| Population change from 1975 to 2015 | -6% |
| Population change from 2000 to 2015 | +12.2% |
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