Big Rock is a village in Kane County, Illinois, home to about 1,548 people across 4.3 square miles. Its ZIP code is 60511, and parts of 60554 are in Big Rock too.
Homes sold for a median of $172 per square foot in the three months ending August 2026, a seller’s market.
Mostly Big Rock; also Sugar Grove
Mostly Sugar Grove; part is in Big Rock
Each card is that ZIP code’s whole market, including any part outside Big Rock. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Big Rock’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)34 miles away |
|---|---|
| Nearest city of 250,000+ | Chicago, IL42 miles away |
Straight-line distances from the center of Big Rock; 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.
Big Rock had 1,104 residents in the 2020 census, down 2% since 2010.
It’s the 573rd largest of 1,450 towns in Illinois by population.
Kane County grew from 78,792 residents in 1900 to 516,522 in 2020.
Kane 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 15°F. About 33.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Chicago Aurora Muni Ap, IL weather station (about a mile away).
194,921 jobs at 13,537 businesses in Kane County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
3 doctors and other health care providers list an office in Big Rock.
Nearest hospitals
Providers with an office here
| Specialist doctors | 2 |
|---|---|
| Nurse practitioners and physician assistants | 1 |
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 (2 nearby)
Grocery stores
Pharmacies
Libraries
Museums (1 nearby)
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 Hinckley Big Rock CUSD 429. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Hinckley-Big Rock Middle SchBig Rock | 5–8 | 216 | Public | 2.3 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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Shares ZIP codes with Sugar Grove, Prestbury and Yorkville.
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.