ZIP Code 42539

ZIP code 42539 is classified by USPS as a standard delivery area and covers roughly 547.9 square miles in Liberty, Casey County, Kentucky. The area is home to 10,026 residents, producing a population density of 18 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 42539 against Kentucky and the nation.

On the economic side, the median household income for ZIP 42539 sits at $40,862 (31% below the Kentucky average), while per-capita income is $23,330. The poverty rate stands at 21.9% and the unemployment rate at 6.3%. On housing, the median home value is $130,500 (18% below the state average) with median rent at $674 per month, and 76.5% of occupied units are owner-occupied, a direct signal of whether 42539 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 11.9% of adults hold a bachelor's degree or higher, the median age is 42.9, and the average commute is 25 minutes. We also surface 3 nearby ZIP codes within roughly 10 miles and 4 additional ZIPs sharing Casey County, so you can benchmark 42539 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →