100 Smallest ZIP Codes in the United States by Population in Johnston County, North Carolina
Explore the 100 smallest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Johnston County, North Carolina.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 27555 | MICRO | NC | 477 |
| 2 | 27568 | PINE LEVEL | NC | 1,509 |
| 3 | 27569 | PRINCETON | NC | 8,963 |
| 4 | 27542 | KENLY | NC | 9,610 |
| 5 | 27524 | FOUR OAKS | NC | 13,976 |
| 6 | 27504 | BENSON | NC | 15,057 |
| 7 | 27576 | SELMA | NC | 20,011 |
| 8 | 27577 | SMITHFIELD | NC | 26,778 |
| 9 | 27527 | CLAYTON | NC | 34,321 |
| 10 | 27520 | CLAYTON | NC | 46,059 |