Smithfield is a town in Johnston County, North Carolina, home to about 12,116 people across 12 square miles. Its ZIP code is 27577.
Homes sold for a median of $170 per square foot in the three months ending August 2026, a seller’s market.
Mostly Smithfield; also Selma and Wilson's Mills
Each card is that ZIP code’s whole market, including any part outside Smithfield. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Smithfield’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Raleigh-Durham International Airport (RDU)36 miles away |
|---|---|
| Nearest city of 250,000+ | Raleigh, NC28 miles away |
| Nearest city of 1 million+ | Philadelphia, PA357 miles away |
Straight-line distances from the center of Smithfield; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Smithfield had 11,292 residents in the 2020 census, down 2% since 2000.
It’s the 83rd largest of 771 towns in North Carolina by population.
Johnston County grew from 32,250 residents in 1900 to 215,999 in 2020.
Johnston County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 92°F in summer, and winter lows average 31°F. About 49.5 inches of rain and melted snow fall in a typical year, with about 1 inches of snow.
Source: NOAA 1991–2020 climate normals, Smithfield, NC weather station (about a mile away).
49,067 jobs at 4,151 businesses in Johnston County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
464 doctors and other health care providers list an office in Smithfield.
Nearest hospitals
Providers with an office here
| Primary care doctors | 41 |
|---|---|
| Specialist doctors | 72 |
| Dentists | 18 |
| Nurse practitioners and physician assistants | 137 |
| Mental health providers | 115 |
| Physical and occupational therapists | 67 |
| Optometrists | 9 |
| Chiropractors | 5 |
| Pharmacies | 12 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (7 nearby)
Grocery stores (7 nearby)
Pharmacies (3 nearby)
Libraries (1 nearby)
Museums (2 nearby)
Theaters and performance venues (2 nearby)
Counts are within about 2.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1777.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Johnston County Public Schools, Neuse Charter School. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| South Smithfield ElementarySmithfield | Pre-K–5 | 450 | Public | 0.7 mi |
| West Smithfield ElementarySmithfield | Pre-K–5 | 494 | Public | 3.3 mi |
| Choice Plus AcademySmithfield | K–12 | 97 | Alternative Education | 0.2 mi |
| JCPS Virtual AcademySmithfield | K–12 | 203 | Public | 1.7 mi |
| Neuse Charter SchoolSmithfield | K–12 | 925 | Charter | 2.3 mi |
| Smithfield MiddleSmithfield | 6–8 | 573 | Public | 1.7 mi |
| The Innovation Academy at South CampusSmithfield | 6–8 | 263 | Public | 0.5 mi |
| Johnston Co Early College AcademySmithfield | 9–13 | 251 | Public | 0.9 mi |
| Johnston County Schools Career TechnicalSmithfield | 9–13 | 241 | Career and Technical | 1.0 mi |
| Smithfield-Selma HighSmithfield | 9–12 | 1,548 | Public | 2.1 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Star Christian AcademySmithfield | K–12 | 81 | Christian (no specific denomination) | 5.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Selma and Wilson's Mills.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.