Xenia is a village in Clay County, Illinois, home to about 389 people across 0.5 square miles. It has no ZIP code of its own: it’s part of 62899.
Homes sold for a median of $50 per square foot in the three months ending August 2026, a buyer’s market.
Each card is that ZIP code’s whole market, including any part outside Xenia. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Xenia’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | St. Louis Lambert International Airport (STL)94 miles away |
|---|---|
| Closer regional airport | Veterans Airport of Southern Illinois (MWA)65 miles away |
| Nearest city of 250,000+ | St. Louis, MO87 miles away |
| Nearest city of 1 million+ | Chicago, IL227 miles away |
Straight-line distances from the center of Xenia; 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.
Xenia had 380 residents in the 2020 census, down 7% since 2000.
It’s the 1009th largest of 1,450 towns in Illinois by population.
Clay County grew from 19,553 residents in 1900 to 13,288 in 2020.
Clay County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 88°F in summer, and winter lows average 23°F. About 46.4 inches of rain and melted snow fall in a typical year, with about 8 inches of snow.
Source: NOAA 1991–2020 climate normals, Flora 5 Nw, IL weather station (6 miles away).
4,623 jobs at 322 businesses in Clay County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
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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.