Johnston County, North Carolina ZIP codes
11 ZIP codes are in Johnston County, plus 11 that cross in from neighboring counties. It's part of the Raleigh-Cary, NC metro area.
- ZIP codes
- 11
- Population in these ZIPs
- 189,124
- Avg. median income
- $82,300population-weighted
- Cities & towns
- 10
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Johnston County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 27504 | Benson | 17,079 | $66,724 | $318,100 |
| 27520 | Clayton | 48,014 | $86,322 | $333,100 |
| 27524 | Four Oaks | 13,999 | $75,827 | $305,600 |
| 27527 | Clayton | 39,256 | $115,035 | $394,200 |
| 27542 | Kenly | 9,850 | $66,038 | $260,600 |
| 27555 | Micro | 573 | $44,531 | $170,700 |
| 27568 | Pine Level | 1,542 | $66,071 | $230,800 |
| 27569 | Princeton | 8,833 | $78,850 | $275,300 |
| 27576 | Selma | 21,624 | $66,831 | $269,800 |
| 27577 | Smithfield | 28,354 | $62,758 | $288,000 |
| 27593 | Wilsons Mills | 0 | — | — |
ZIP codes partly in Johnston County
These ZIP codes are mostly in a neighboring county but cover part of Johnston County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 27501 | Angier | Harnett County | 24,806 | $73,336 | $328,100 |
| 27529 | Garner | Wake County | 55,242 | $85,716 | $380,100 |
| 27557 | Middlesex | Nash County | 8,657 | $71,541 | $270,900 |
| 27591 | Wendell | Wake County | 29,838 | $85,224 | $365,700 |
| 27592 | Willow Spring | Wake County | 21,114 | $104,252 | $409,600 |
| 27597 | Zebulon | Wake County | 30,184 | $84,625 | $337,700 |
| 27603 | Raleigh | Wake County | 53,972 | $90,484 | $406,400 |
| 27610 | Raleigh | Wake County | 81,419 | $67,932 | $309,100 |
| 27863 | Pikeville | Wayne County | 13,729 | $77,933 | $242,700 |
| 28334 | Dunn | Sampson County | 22,873 | $53,036 | $222,700 |
| 28366 | Newton Grove | Sampson County | 3,769 | $53,310 | $165,800 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Johnston County
Nearby counties
Frequently asked questions
How many ZIP codes are in Johnston County, North Carolina?
11 ZIP codes are mainly in Johnston County, and 11 more ZIP codes from neighboring areas reach partly into it.
What cities are in Johnston County?
ZIP codes in Johnston County use the city names Benson, Clayton, Four Oaks, Kenly, Micro, Pine Level, Princeton, Selma, Smithfield and Wilsons Mills.
What metro area is Johnston County in?
Johnston County is part of the Raleigh-Cary, NC metropolitan statistical area.