ZIP code · Smithfield · North Carolina · United States
ZIP code 27577 — Smithfield
ZIP code 27577 serves Smithfield, North Carolina.
- Postal code
- 27577Single source Value from one source, not cross-checked.
- City
- Smithfield
- County
- Johnston FIPS 37101
- State
- North Carolina
- Country
- United States
- Coordinates
- 35.5068, -78.3479 — precision precise (locality)
View on OpenStreetMap - Population
- 26,946 (ZCTA, ACS 5-year)
- Population density
- 260 / sq mi
- Land area
- 103.7 sq mi (268.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $56,237
- Per-capita income
- $28,443
- Median age
- 40.7
- Households
- 9,888
- Housing units
- 10,744
- Median home value
- $230,200
- Median gross rent
- $802 / month
- Congressional district
- NC-13 (119th Congress)
- USDA hardiness zone
- 8a (10 to 15 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 27577 with another ZIP · ZIPs within 25 miles · distance from 27577
Map of ZIP code 27577
Climate — monthly normals
Warmest month Jul (avg high 92°F), coldest Jan (avg low 31°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 54 | 57 | 65 | 74 | 81 | 88 | 92 | 89 | 84 | 74 | 64 | 57 |
| Avg low °F | 31 | 33 | 39 | 48 | 57 | 66 | 71 | 69 | 63 | 50 | 39 | 34 |
| Precip in | 3.5 | 3.3 | 4.0 | 3.7 | 4.2 | 4.7 | 5.5 | 5.3 | 5.5 | 3.2 | 3.3 | 3.3 |
NOAA 1991–2020 climate normals from the nearest station: SMITHFIELD (0.7 mi) · NOAA NCEI
Places in ZIP 27577
- 8 schools
- 1 colleges & universities
- 12 hospitals & clinics
- 20 doctors & dentists
- 3 pharmacies
- 8 supermarkets
- 77 restaurants & cafés
- 7 bars & pubs
- 8 parks
- 9 playgrounds
- 6 gyms & sports centres
- 1 libraries
- 43 places of worship
- 10 banks
- 16 gas stations
- 3 EV charging stations
- 6 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page