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City ZIP codes · South Carolina

Charleston, SC ZIP Codes

16 ZIP codes use the postal name Charleston, South Carolina (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 10 residential and 6 for PO boxes or a single organization. Median household income runs from $49,815 in 29406 to $110,509 in 29492, 2.2 times as much (Census Bureau, ACS 2020-2024). Charleston's most populous ZIP code is 29414, with 44,727 people (ACS 2020-2024); 47% of its land is in the city of Charleston.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Charleston's ZIP codes?

29401: $100k median household income29403: $67k median household income29406: $50k median household income29407: $85k median household income29409: – median household income29412: $102k median household income29414: $100k median household income29424: – median household income29425: – median household income29492: $111k median household income2949229414294122940629407294032940129401: $100k median household income29403: $67k median household income29406: $50k median household income29407: $85k median household income29409: – median household income29412: $102k median household income29414: $100k median household income29424: – median household income29425: – median household income29492: $111k median household income2949229414294122940629407294032940129401: $100k median household income29403: $67k median household income29406: $50k median household income29407: $85k median household income29409: – median household income29412: $102k median household income29414: $100k median household income29424: – median household income29425: – median household income29492: $111k median household income2949229414294122940629407
The 10 residential ZIP codes named Charleston, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Charleston's ZIP codes?

The highest median household income is in 29492 ($110,509), the lowest in 29406 ($49,815). Home values run from $229,300 in 29406 to $1,164,800 in 29401.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 10 residential ZIP codes of Charleston

Residential ZIP codes with the postal name Charleston, SC, largest first (ACS 2020-2024); sort by any column
County
29414 Charleston County 44,727 913 $100k $417k
29412 Charleston County 39,256 1,001 $102k $505k
29407 Charleston County 36,706 2,388 $85k $452k
29406 Charleston County 32,001 2,091 $50k $229k
29403 Charleston County 22,533 4,174 $67k $674k
29492 Berkeley County 20,436 387 $111k $791k
29401 Charleston County 9,339 6,088 $100k $1.16M
29409 Charleston County 2,056 14,082 – –
29424 Charleston County 1,243 32,711 – –
29425 Charleston County no residents 0 – –

Download the 16 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Charleston

6 ZIP codes named Charleston have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Charleston, SC: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
29402Charleston County
29413Charleston County
29416Charleston County
29417Charleston County
29422Charleston County
29423Charleston County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Charleston's ZIP codes reach?

Charleston's residential ZIP codes lie in 3 counties: Charleston County (9 ZIP codes mainly there), Berkeley County (1 ZIP code mainly there), Dorchester County (part of a ZIP code).

Which places do Charleston's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Charleston's residential ZIP codes cover Charleston itself and 3 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Charleston's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Charleston starts with 294.

Three-digit prefixes of Charleston's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Charleston's
PrefixSectional centerHereAll codes
294 Charleston, SC (SCF 294) 16 72

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.