Elgin city, Illinois
Official LSAD Designation: Elgin city • Census GEOID: 1723074
• Cook County / Kane County
Elgin city is an incorporated city in Cook County, Kane County, Illinois. According to official records from the Census (2025), Elgin city had an estimated population of 115,476 residents. Official Census Bureau geographic records classify this community under LSAD designation Elgin city (GEOID 1723074).
Local Government Administration U.S. Census Bureau GMAF
City Of Elgin
Municipal
Official Title:
Chief Financial Officer
Address:
150 DEXTER CT, ELGIN IL 60120-5555
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 | 115,476 | 2025 |
| Median Household Income | $90,282 | 2020-2024 |
| Median Home Value | $273,000 | 2020-2024 |
| Land Area | 38.30 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).