Oglesby is a city in LaSalle County, Illinois, home to about 3,570 people across 5.0 square miles. Its ZIP code is 61348.
Homes sold for a median of $143 per square foot in the three months ending August 2026, a seller’s market.
Mostly Oglesby; also LaSalle
Each card is that ZIP code’s whole market, including any part outside Oglesby. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Oglesby’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Chicago Midway International Airport (MDW)75 miles away |
|---|---|
| Closer regional airport | General Wayne A. Downing Peoria International Airport (PIA)55 miles away |
| Nearest city of 250,000+ | Chicago, IL80 miles away |
Straight-line distances from the center of Oglesby; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Oglesby had 3,712 residents in the 2020 census, up 2% since 2000.
It’s the 402nd largest of 1,450 towns in Illinois by population.
LaSalle County grew from 87,776 residents in 1900 to 109,658 in 2020.
LaSalle County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 14°F. About 38.1 inches of rain and melted snow fall in a typical year, with about 29 inches of snow.
Source: NOAA 1991–2020 climate normals, Peru, IL weather station (5 miles away).
33,721 jobs at 2,523 businesses in LaSalle County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
15 doctors and other health care providers list an office in Oglesby.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Dentists | 3 |
| Nurse practitioners and physician assistants | 4 |
| Mental health providers | 2 |
| Chiropractors | 4 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (5 nearby)
Grocery stores
Pharmacies
Libraries (1 nearby)
Museums
Theaters and performance venues
Counts are within about 1.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Oglesby ESD 125. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Lincoln Elem SchoolOglesby | Pre-K–5 | 328 | Public | 1.2 mi |
| Washington Elem SchoolOglesby | 6–8 | 116 | Public | 0.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Holy Family Elementary SchoolOglesby | Pre-K–8 | 126 | Roman Catholic | 0.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with LaSalle.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.