Aledo city, Illinois
Official LSAD Designation: Aledo city • Census GEOID: 1700646
• Mercer County
Aledo city is an incorporated city in Mercer County, Illinois. According to official records from the Census (2025), Aledo city had an estimated population of 3,506 residents. Official Census Bureau geographic records classify this community under LSAD designation Aledo city (GEOID 1700646).
Local Government Administration U.S. Census Bureau GMAF
City Of Aledo
Municipal
Official Title:
City Administrator
Address:
120 N COLLEGE AVE, ALEDO IL 61231-1519
County Of Mercer
County
Official Title:
Mercer County Clerk
Address:
COUNTY BUILDING, ALEDO IL 61231
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 3,506 | 2025 |
| Median Household Income | $72,292 | 2020-2024 |
| Median Home Value | $147,600 | 2020-2024 |
| Land Area | 2.34 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).