There are 6 zip codes in Grayson County, Kentucky. The most populated is 42754, located in Leitchfield. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
4275415,918Leitchfield
427264,960Clarkson
427213,954Caneyville
401191,887Falls Of Rough
427121,681Big Clifty
42762257Millwood
showing: 6 rows

Zip Codes in Grayson County, Kentucky by Population (2024)