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Zip Code 42539 — Liberty, KY

42539 is a ZIP Code associated with Liberty, KY, located within Casey. 42539 ranks #1 out of 7 ZIP codes in Casey County by population (and #139 out of 780 in KY). The area supports an estimated population of 9,249 residents across Data Pending housing units, with a population density of 16.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (37.305660, -84.952650)

Data MetricLocal Statistic
Postal / Zip Code42539
Primary CityLiberty
State / ProvinceKY
CountyCasey
Total Population9,249
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density16.3 people/sq mi
TimezoneAmerica/New_York

How 42539 Compares

MetricZIP 42539Casey CountyKY State Average
Population9,24918,200 (Total)4,542,460 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density16.3 /sq mi----
County Pop Rank#1 of 7----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 42528Dunnville9.2 mi2,126N/A
Zip 42541Middleburg9.2 mi498N/A
Zip 42566Yosemite9.6 mi541N/A
Zip 40437Hustonville11.0 mi4,488N/A
Zip 42565Windsor11.1 mi758N/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 →