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Zip Code 42021 — Arlington, KY

42021 is a ZIP Code associated with Arlington, KY, located within Carlisle. The postal region supports an estimated population of 1,090 residents across Data Pending housing units, with a population density of 7.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (36.801290, -88.995700)

Data MetricLocal Statistic
Postal / Zip Code42021
Primary CityArlington
State / ProvinceKY
CountyCarlisle
Total Population1,090
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density7.4 people/sq mi
TimezoneAmerica/Chicago

How 42021 Compares

MetricZIP 42021Carlisle CountyKY State Average
Population1,0904,4354,542,460
Median IncomeData PendingN/AN/A
Population Density7.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 42023Bardwell5.2 mi2,529N/A
Zip 42032Columbus6.9 mi223N/A
Zip 42031Clinton7.9 mi3,411N/A
Zip 42039Fancy Farm9.3 mi1,694N/A
Zip 42035Cunningham11.3 mi816N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →