There are 16 zip codes in Fayette County, Kentucky. The most populated is 40509, located in Lexington. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
4050945,181Lexington
4051736,263Lexington
4051536,163Lexington
4051134,873Lexington
4050328,186Lexington
4050227,118Lexington
4050426,408Lexington
4050525,969Lexington
4050825,518Lexington
4051417,238Lexington
4051310,697Lexington
405162,758Lexington
405102,059Lexington
405072,057Lexington
405261,778Lexington
405360Lexington

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