There are 8 zip codes in Marion County, Kentucky. The most populated is 40033, located in Lebanon. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
4003312,107Lebanon
400372,771Loretto
400091,628Bradfordsville
400601,374Raywick
403281,097Gravel Switch
40063601Saint Mary
40049114Nerinx
40062103Saint Francis

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