There are 11 zip codes in Johnston County, North Carolina. The most populated is 27520, located in Clayton. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
2752046,059Clayton
2752734,321Clayton
2757726,778Smithfield
2757620,011Selma
2750415,057Benson
2752413,976Four Oaks
275429,610Kenly
275698,963Princeton
275681,509Pine Level
27555477Micro
275930Wilsons Mills

Zip Codes in Johnston County, North Carolina by Population (2024)