ZIP code · Charleston · South Carolina · United States

ZIP code 29401 — Charleston

ZIP code 29401 serves Charleston, South Carolina.

Postal code
29401
Single source Value from one source, not cross-checked.
City
Charleston
County
Charleston FIPS 45019
State
South Carolina
Country
United States
Coordinates
32.7795, -79.9371 — precision precise (locality)
View on OpenStreetMap
Population
9,210 (ZCTA, ACS 5-year)
Population density
6,009 / sq mi
Land area
1.5 sq mi (4 km²) (ZCTA, ACS 5-year)
Median household income
$90,074
Per-capita income
$87,287
Median age
34.4
Households
4,087
Housing units
5,808
Median home value
$1,165,900
Median gross rent
$1,838 / 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)
Area codes
843, 854
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 88°F), coldest Jan (avg low 44°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F586066727984888683766761
Avg low °F444652606874777773635347
Precip in2.62.63.03.02.64.85.16.15.34.12.32.9

NOAA 1991–2020 climate normals from the nearest station: CHARLESTON CITY (0.3 mi) · NOAA NCEI

Places in ZIP 29401

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