There are 2 zip codes in Lyon County, Kentucky. The most populated is 42038, located in Eddyville. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
420386,091Eddyville
420552,312Kuttawa
showing: 2 rows

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