West Union is a community in Clark County, Illinois, home to about 140 people across 1.8 square miles. Its ZIP code is 62477.
Homes sold for a median of $59 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 West Union. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up West Union’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Indianapolis International Airport (IND)79 miles away |
|---|---|
| Closer regional airport | University of Illinois Willard Airport (CMI)64 miles away |
| Nearest city of 250,000+ | Indianapolis, IN88 miles away |
| Nearest city of 1 million+ | Chicago, IL179 miles away |
Straight-line distances from the center of West Union; 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.
West Union had 271 residents in the 2020 census, down 6% since 2010.
It’s the 1285th largest of 1,450 towns in Illinois by population.
Clark County grew from 24,033 residents in 1900 to 15,455 in 2020.
Clark County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 21°F. About 44.5 inches of rain and melted snow fall in a typical year, with about 15 inches of snow.
Source: NOAA 1991–2020 climate normals, Farmersburg Tv-2, IN weather station (14 miles away).
3,487 jobs at 335 businesses in Clark County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2022 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in West Union.
Nearest hospitals
Providers with an office here
| 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.
Libraries
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.
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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.