Calion is a city in Union County, Arkansas, home to about 355 people across 1.1 square miles. Its ZIP code is 71724, and parts of 71730 are in Calion too.
Homes sold for a median of $100 per square foot in the three months ending August 2026, a seller’s market.
Mostly Calion
Mostly El Dorado; part is in Calion
Each card is that ZIP code’s whole market, including any part outside Calion. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Calion’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Frederick W. Smith International Airport (MEM)192 miles away |
|---|---|
| Closer regional airport | South Arkansas Regional Airport at Goodwin Field (ELD)14 miles away |
| Nearest city of 250,000+ | Memphis, TN195 miles away |
| Nearest city of 1 million+ | Dallas, TX245 miles away |
Straight-line distances from the center of Calion; 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.
Calion had 429 residents in the 2020 census, down 17% since 2000.
It’s the 359th largest of 615 towns in Arkansas by population.
Union County grew from 22,495 residents in 1900 to 39,054 in 2020.
Union County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 93°F in summer, and winter lows average 32°F. About 50.7 inches of rain and melted snow fall in a typical year, with about 1 inches of snow.
Source: NOAA 1991–2020 climate normals, Calion L&D, AR weather station (6 miles away).
15,851 jobs at 1,036 businesses in Union 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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Shares ZIP codes with El Dorado, Norphlet, Urbana and Lawson.
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.