Smithfield, NC ZIP Codes
One ZIP code serves Smithfield, North Carolina: 27577. Together they are home to 28,354 residents in 10,297 households. That is more than the 12,116 people counted inside Smithfield town limits, because these ZIP codes reach past its boundary.
Smithfield town limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 12,116 |
| Households | 4,951 |
| Median household income | $43,270 |
| Median home value | $242,500 |
| Median age | 44.9 |
| Median rent | $658 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 28,354 |
| Households (sum of ZIP codes) | 10,297 |
| Median household income, range across ZIP codes | $62,758 (27577) to $62,758 (27577) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $62,758 |
| Homeowners | 73.2% |
| Households with kids under 18 | 30.6% |
| Moved in the past year | 7.4% |
| Carrier routes in EDDM2GO's route library | 17 routes, 11,529 homes (1 of 1 ZIP codes) |
Every ZIP code in Smithfield
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 27577 | Smithfield | 28,354 | 10,297 | $62,758 | $260,300 | 73.2% | 30.6% | 7.4% | 17 | 12,433 | 12% of its land; mailing city |
A ZIP code is listed for Smithfield when at least 10% of its land lies inside Smithfield town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Smithfield. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Smithfield.
Counties
- Johnston County — 18 ZIP codes
Nearby cities sharing these ZIP codes
- Selma — 2 ZIP codes
Price a mailing to Smithfield ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Smithfield, NC?
- 27577. A ZIP code is listed for Smithfield when at least 10% of its land lies inside Smithfield town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Smithfield.
- What is the population of Smithfield, NC?
- The Census Bureau counts 12,116 residents inside Smithfield town limits (ACS 2020–2024). The 1 ZIP code that serve Smithfield hold 28,354 residents in all.
- What is the median household income in Smithfield, NC?
- $43,270 inside Smithfield town limits, per the Census Bureau. Across its ZIP codes the medians run from $62,758 to $62,758.
- How many carrier routes and mailboxes are in Smithfield, NC?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 17 carrier routes reaching 11,529 residential and 903 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.