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City ZIP codes · South Carolina

Summerville, SC ZIP Codes

4 ZIP codes use the postal name Summerville, South Carolina (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 3 residential and 1 for PO boxes or a single organization. Median household income runs from $82,987 in 29485 to $89,578 in 29486 (Census Bureau, ACS 2020-2024). Summerville's most populous ZIP code is 29483, with 59,186 people (ACS 2020-2024); 19% of its land is in the city of Summerville.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Summerville's ZIP codes?

29483: $86k median household income29485: $83k median household income29486: $90k median household income29486294852948329483: $86k median household income29485: $83k median household income29486: $90k median household income29486294852948329483: $86k median household income29485: $83k median household income29486: $90k median household income294862948529483
The 3 residential ZIP codes named Summerville, 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 Summerville's ZIP codes?

The highest median household income is in 29486 ($89,578), the lowest in 29485 ($82,987). Home values run from $333,300 in 29483 to $367,700 in 29486.

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

All 3 residential ZIP codes of Summerville

Residential ZIP codes with the postal name Summerville, SC, largest first (ACS 2020-2024); sort by any column
County
29483 Dorchester County 59,186 1,110 $86k $333k
29485 Dorchester County 58,507 1,205 $83k $342k
29486 Berkeley County 53,975 866 $90k $368k

Download the 4 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 Summerville

1 ZIP code named Summerville has 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.

Summerville, 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
29484Dorchester County

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

Which counties do Summerville's ZIP codes reach?

Summerville's residential ZIP codes lie in 3 counties: Dorchester County (2 ZIP codes mainly there), Berkeley County (1 ZIP code mainly there), Charleston County (part of a ZIP code).

Which places do Summerville's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Summerville's residential ZIP codes cover Summerville itself and 4 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 Summerville'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 Summerville starts with 294.

Three-digit prefixes of Summerville'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 Summerville's
PrefixSectional centerHereAll codes
294 Charleston, SC (SCF 294) 4 72

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