Arlington is a city in Carlisle County, Kentucky, home to about 185 people across 0.4 square miles. It has no ZIP code of its own: it’s part of 42021.
Homes sold for a median of $71 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 Arlington. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Arlington’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)132 miles away |
|---|---|
| Closer regional airport | Barkley Regional Airport (PAH)23 miles away |
| Nearest city of 250,000+ | Memphis, TN128 miles away |
| Nearest city of 1 million+ | Chicago, IL356 miles away |
Straight-line distances from the center of Arlington; 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.
Arlington had 264 residents in the 2020 census, down 33% since 2000.
It’s the 480th largest of 553 towns in Kentucky by population.
Carlisle County grew from 10,195 residents in 1900 to 4,826 in 2020.
Carlisle 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 51.2 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Cairo 3n, IL weather station (20 miles away).
691 jobs at 80 businesses in Carlisle County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Arlington.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Pharmacies | 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.
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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.