| Place Name | Chicago |
| Place Type | City |
| County | Cook County
DuPage County |
| Area Code(s) | 773,872,312,872,224,847,331,630,464,708 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 2,702,471 |
| Population Growth Rate (2010-19) | 1.88% |
| Majority Ethnicity | White 40.96% |
| Metro/Micro Stats Area | Chicago-Naperville-Elgin, IL-IN-WI |
| US Congressional District(s) | Illinois 7thIllinois 1stIllinois 5thIllinois 2ndIllinois 4thIllinois 3rdIllinois 9thIllinois 8th |
| State House Districts | 1,2,3,4,5,6,8,9,10,11,12,13,14,15,16,19,20,21,22,24,25,26,27,28,29,31,32,33,34,35,36,39,40,55,77 |
| State Senate Districts | 1,2,3,4,5,6,7,8,10,11,12,13,14,15,16,17,18,20,28,39 |