Oglesby city, Illinois
Official LSAD Designation: Oglesby city • Census GEOID: 1755353
• LaSalle County
Oglesby city is an incorporated city in LaSalle County, Illinois. According to official records from the Census (2025), Oglesby city had an estimated population of 3,618 residents. Official Census Bureau geographic records classify this community under LSAD designation Oglesby city (GEOID 1755353).
Local Government Administration U.S. Census Bureau GMAF
City Of Oglesby
Municipal
Official Title:
Clerk
Address:
110 E WALNUT ST, OGLESBY IL 61348-1202
County Of Lasalle
County
Official Title:
Chairman
Address:
707 E ETNA RD, ROOM 245, OTTAWA IL 61350-1047
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 3,618 | 2025 |
| Median Household Income | $76,189 | 2020-2024 |
| Median Home Value | $139,700 | 2020-2024 |
| Land Area | 4.99 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).