There are 5 zip codes in Adair County, Kentucky. The most populated is 42728, located in Columbia. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
4272815,789Columbia
42753801Knifley
42741513Glens Fork
42715338Breeding
4274299Gradyville
showing: 5 rows

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