Markham city, Illinois
Official LSAD Designation: Markham city • Census GEOID: 1747007
• Cook County
Markham city is an incorporated city in Cook County, Illinois. According to official records from the Census (2025), Markham city had an estimated population of 11,274 residents. Official Census Bureau geographic records classify this community under LSAD designation Markham city (GEOID 1747007).
Local Government Administration U.S. Census Bureau GMAF
City Of Markham
Municipal
Official Title:
Deputy Clerk
Address:
16313 KEDZIE AVE, MARKHAM IL 60428-5598
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 | 11,274 | 2025 |
| Median Household Income | $57,302 | 2020-2024 |
| Median Home Value | $135,300 | 2020-2024 |
| Land Area | 5.40 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).