Troy Grove is a village in LaSalle County, Illinois, home to about 300 people across 0.7 square miles. Its ZIP code is 61372.
All in Troy Grove
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| Nearest major airport | Chicago O'Hare International Airport (ORD)70 miles away |
|---|---|
| Closer regional airport | Chicago Rockford International Airport (RFD)50 miles away |
| Nearest city of 250,000+ | Chicago, IL77 miles away |
Straight-line distances from the center of Troy Grove; 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.
Troy Grove had 225 residents in the 2020 census, down 26% since 2000.
It’s the 1082nd 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 (8 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).
2 doctors and other health care providers list an office in Troy Grove.
Nearest hospitals
Providers with an office here
| Physical and occupational therapists | 1 |
|---|---|
| Chiropractors | 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.
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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.