Johnston County, North Carolina ZIP Codes

ZIP records
11
Cities represented
10
Sum of listed ZIP population estimates
189,124

Population sum includes positive estimates in these ZIP records; it is not an official county population.

Top ZIP Codes by Population

Rank	ZIP Code	City	Population estimate
1	27520	Clayton	48,014
2	27527	Clayton	39,256
3	27577	Smithfield	28,354
4	27576	Selma	21,624
5	27504	Benson	17,079
6	27524	Four Oaks	13,999
7	27542	Kenly	9,850
8	27569	Princeton	8,833
9	27568	Pine Level	1,542
10	27555	Micro	573

Cities in Johnston County

Benson
Clayton
Four Oaks
Kenly
Micro
Pine Level
Princeton
Selma
Smithfield
Wilsons Mills

ZIP Directory

ZIP 27504
ZIP 27520
ZIP 27524
ZIP 27527
ZIP 27542
ZIP 27555
ZIP 27568
ZIP 27569
ZIP 27576
ZIP 27577
ZIP 27593

Browse all ZIP data for North Carolina

Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.