Thebes is a village in Alexander County, Illinois, home to about 353 people across 1.8 square miles. Its ZIP code is 62990.
Homes sold for a median of $129 per square foot in the three months ending August 2026, a seller’s market.
Mostly Thebes; also Olive Branch
Each card is that ZIP code’s whole market, including any part outside Thebes. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Thebes’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)117 miles away |
|---|---|
| Closer regional airport | Cape Girardeau Regional Airport (CGI)6 miles away |
| Nearest city of 250,000+ | St. Louis, MO107 miles away |
| Nearest city of 1 million+ | Chicago, IL332 miles away |
Straight-line distances from the center of Thebes; 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.
Thebes had 208 residents in the 2020 census, down 56% since 2000.
It’s the 1035th largest of 1,450 towns in Illinois by population.
Alexander County grew from 19,384 residents in 1900 to 5,240 in 2020.
Alexander County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 89°F in summer, and winter lows average 26°F. About 48 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Cape Girardeau Muni Ap, MO weather station (6 miles away).
960 jobs at 75 businesses in Alexander 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.
Parks (1 nearby)
Grocery stores
Pharmacies
Libraries
Museums (1 nearby)
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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Shares ZIP codes with Olive Branch.
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.