ZIP code · North Charleston · South Carolina · United States
ZIP code 29420 — North Charleston
ZIP code 29420 serves North Charleston, South Carolina.
- Postal code
- 29420Single source Value from one source, not cross-checked.
- City
- North Charleston
- County
- Dorchester FIPS 45035
- State
- South Carolina
- Country
- United States
- Coordinates
- 32.9336, -80.1026 — precision precise (locality)
View on OpenStreetMap - Population
- 23,311 (ZCTA, ACS 5-year)
- Population density
- 2,324 / sq mi
- Land area
- 10 sq mi (26 km²) (ZCTA, ACS 5-year)
- Median household income
- $69,043
- Per-capita income
- $36,124
- Median age
- 35.1
- Households
- 9,068
- Housing units
- 9,537
- Median home value
- $283,900
- Median gross rent
- $1,506 / month
- Congressional districts
- SC-6 (also SC-1) (119th Congress)
- USDA hardiness zone
- 9a (20 to 25 °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 29420 with another ZIP · ZIPs within 25 miles · distance from 29420
Map of ZIP code 29420
Climate — monthly normals
Warmest month Jul (avg high 91°F), coldest Jan (avg low 39°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 60 | 64 | 70 | 77 | 84 | 89 | 91 | 90 | 85 | 78 | 69 | 63 |
| Avg low °F | 39 | 42 | 47 | 55 | 63 | 70 | 74 | 73 | 68 | 58 | 47 | 42 |
| Precip in | 3.4 | 3.0 | 3.4 | 3.3 | 3.3 | 6.2 | 6.6 | 7.0 | 6.0 | 4.3 | 2.7 | 3.4 |
NOAA 1991–2020 climate normals from the nearest station: CHARLESTON INTL AP (4.3 mi) · NOAA NCEI
Places in ZIP 29420
- 11 schools
- 1 hospitals & clinics
- 3 doctors & dentists
- 3 supermarkets
- 27 restaurants & cafés
- 1 bars & pubs
- 2 parks
- 25 playgrounds
- 2 gyms & sports centres
- 1 libraries
- 11 places of worship
- 4 banks
- 7 gas stations
- 3 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