ZIP code · Charleston · South Carolina · United States
ZIP code 29403 — Charleston
ZIP code 29403 serves Charleston, South Carolina.
- Postal code
- 29403Single source Value from one source, not cross-checked.
- City
- Charleston
- County
- Charleston FIPS 45019
- State
- South Carolina
- Country
- United States
- Coordinates
- 32.7976, -79.9493 — precision precise (locality)
View on OpenStreetMap - Population
- 22,319 (ZCTA, ACS 5-year)
- Population density
- 4,135 / sq mi
- Land area
- 5.4 sq mi (14 km²) (ZCTA, ACS 5-year)
- Median household income
- $65,689
- Per-capita income
- $48,825
- Median age
- 31
- Households
- 10,398
- Housing units
- 13,013
- Median home value
- $624,000
- Median gross rent
- $1,658 / month
- Congressional district
- SC-6 (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 29403 with another ZIP · ZIPs within 25 miles · distance from 29403
Map of ZIP code 29403
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 44°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 58 | 60 | 66 | 72 | 79 | 84 | 88 | 86 | 83 | 76 | 67 | 61 |
| Avg low °F | 44 | 46 | 52 | 60 | 68 | 74 | 77 | 77 | 73 | 63 | 53 | 47 |
| Precip in | 2.6 | 2.6 | 3.0 | 3.0 | 2.6 | 4.8 | 5.1 | 6.1 | 5.3 | 4.1 | 2.3 | 2.9 |
NOAA 1991–2020 climate normals from the nearest station: CHARLESTON CITY (1.6 mi) · NOAA NCEI
Places in ZIP 29403
- 17 schools
- 8 colleges & universities
- 3 hospitals & clinics
- 7 doctors & dentists
- 1 pharmacies
- 2 supermarkets
- 128 restaurants & cafés
- 33 bars & pubs
- 35 parks
- 28 playgrounds
- 14 gyms & sports centres
- 6 libraries
- 1 post offices
- 67 places of worship
- 10 banks
- 5 gas stations
- 4 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