There are 4 zip codes in Rockcastle County, Kentucky. The most populated is 40456, located in Mount Vernon. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
404568,574Mount Vernon
404093,667Brodhead
404601,162Orlando
40445926Livingston

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