Argyle is a community in Boone County, Illinois, home to about 324 people across 0.9 square miles. It has no ZIP code of its own: it’s part of 61011.
Homes sold for a median of $147 per square foot in the three months ending August 2026, a seller’s market.
Mostly Loves Park; part is in Argyle
Each card is that ZIP code’s whole market, including any part outside Argyle. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Argyle’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)59 miles away |
|---|---|
| Closer regional airport | Chicago Rockford International Airport (RFD)16 miles away |
| Nearest city of 250,000+ | Madison, WI55 miles away |
| Nearest city of 1 million+ | Chicago, IL74 miles away |
Straight-line distances from the center of Argyle; 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.
It’s the 1061st largest of 1,450 towns in Illinois by population.
Boone County grew from 15,791 residents in 1900 to 53,448 in 2020.
Boone County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 80°F in summer, and winter lows average 11°F. About 37.3 inches of rain and melted snow fall in a typical year, with about 36 inches of snow.
Source: NOAA 1991–2020 climate normals, Beloit, WI weather station (10 miles away).
15,427 jobs at 890 businesses in Boone County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2022 (private employers; jobs counted where people work).
2 doctors and other health care providers list an office in Argyle.
Nearest hospitals
Providers with an office here
| Mental health providers | 1 |
|---|---|
| Physical and occupational therapists | 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.
Grocery stores
Pharmacies
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.
Public schools here are run by Belvidere CUSD 100. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Caledonia Elem SchoolCaledonia | Pre-K–5 | 449 | Public | 1.7 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 Loves Park, Machesney Park, Poplar Grove, Timberlane and Caledonia.
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.