Sheridan is a village in LaSalle County, Illinois, home to about 2,519 people across 2.1 square miles. Its ZIP code is 60551.
Homes sold for a median of $187 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Sheridan. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Sheridan’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Chicago O'Hare International Airport (ORD)51 miles away |
|---|---|
| Nearest city of 250,000+ | Chicago, IL55 miles away |
Straight-line distances from the center of Sheridan; 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.
Sheridan had 2,431 residents in the 2020 census, up 1% since 2000.
It’s the 458th 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 39.1 inches of rain and melted snow fall in a typical year, with about 25 inches of snow.
Source: NOAA 1991–2020 climate normals, Marseilles Lock, IL weather station (14 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).
5 doctors and other health care providers list an office in Sheridan.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Dentists | 1 |
| Nurse practitioners and physician assistants | 1 |
| Mental health providers | 2 |
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.
Grocery stores (1 nearby)
Libraries (1 nearby)
Museums
Counts are within about 1 mile 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.
Established in 1872.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Serena CUSD 2. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Sheridan Elem SchoolSheridan | K–4 | 135 | Public | 1.0 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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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.