📍 View location on OpenStreetMap (35.491660, -78.344600)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 27577 |
| Primary City | Smithfield |
| State / Province | NC |
| County | Johnston |
| Total Population | 28,354 |
| Population Density | 105.6 people/sq mi |
| Timezone | America/New_York |
| Metric | ZIP 27577 | Johnston County records | NC records |
|---|---|---|---|
| Population estimate | 28,354 | 189,124 (sum) | 10,730,463 (sum) |
| Population Density | 105.6 /sq mi | -- | -- |
| County population rank | #3 of 10 | -- | -- |
| State population rank | #137 of 836 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 27568 | Pine Level | 5.9 mi | 1,542 |
| ZIP 27593 | Wilsons Mills | 6.6 mi | N/A |
| ZIP 27524 | Four Oaks | 7.0 mi | 13,999 |
| ZIP 27576 | Selma | 8.0 mi | 21,624 |
| ZIP 27555 | Micro | 9.3 mi | 573 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →