Cairo is a town in Ritchie County, West Virginia, home to about 273 people across 0.5 square miles. Its ZIP code is 26337.
Homes sold for a median of $155 per square foot in the three months ending August 2026.
Mostly Cairo
Each card is that ZIP code’s whole market, including any part outside Cairo. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Pittsburgh International Airport (PIT)100 miles away |
|---|---|
| Closer regional airport | Mid Ohio Valley Regional Airport (PKB)17 miles away |
| Nearest city of 250,000+ | Pittsburgh, PA104 miles away |
| Nearest city of 1 million+ | Philadelphia, PA325 miles away |
Straight-line distances from the center of Cairo; 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.
Cairo had 176 residents in the 2020 census, down 33% since 2000.
It’s the 307th largest of 429 towns in West Virginia by population.
Ritchie County grew from 18,901 residents in 1900 to 8,444 in 2020.
Ritchie 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 21°F. About 47.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Harrisville, WV weather station (6 miles away).
2,893 jobs at 188 businesses in Ritchie 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.