Johnston County, North Carolina Zip Codes

Zip Code	City	Population
27520	Clayton	46,059
27527	Clayton	34,321
27577	Smithfield	26,778
27576	Selma	20,011
27504	Benson	15,057
27524	Four Oaks	13,976
27542	Kenly	9,610
27569	Princeton	8,963
27568	Pine Level	1,509
27555	Micro	477
27593	Wilsons Mills	0

Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.