Chicago city, Illinois
Official LSAD Designation: Chicago city • Census GEOID: 1714000
• Cook County / DuPage County
Chicago city is an incorporated city in Cook County, DuPage County, Illinois. According to official records from the Census (2025), Chicago city had an estimated population of 2,731,585 residents. Official Census Bureau geographic records classify this community under LSAD designation Chicago city (GEOID 1714000).
Local Government Administration U.S. Census Bureau GMAF
City Of Chicago
Municipal
Official Title:
Administrator
Address:
121 N LA SALLE ST, CHICAGO IL 60602-1202
County Of Cook
County
Official Title:
Comptroller
Address:
118 N CLARK ST, ROOM 1127, CHICAGO IL 60602-1394
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 2,731,585 | 2025 |
| Median Household Income | $77,902 | 2020-2024 |
| Median Home Value | $334,100 | 2020-2024 |
| Land Area | 227.74 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).