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City ZIP codes · South Carolina

Aiken, SC ZIP Codes

6 ZIP codes use the postal name Aiken, South Carolina (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 3 residential and 3 for PO boxes or a single organization. Median household income runs from $56,185 in 29805 to $86,023 in 29803, 1.5 times as much (Census Bureau, ACS 2020-2024). Aiken's most populous ZIP code is 29803, with 40,699 people (ACS 2020-2024); 9% of its land is in the city of Aiken.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Aiken's ZIP codes?

29801: $60k median household income29803: $86k median household income29805: $56k median household income29803298012980529801: $60k median household income29803: $86k median household income29805: $56k median household income29803298012980529801: $60k median household income29803: $86k median household income29805: $56k median household income298032980129805
The 3 residential ZIP codes named Aiken, 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 Aiken's ZIP codes?

The highest median household income is in 29803 ($86,023), the lowest in 29805 ($56,185). Home values run from $174,100 in 29801 to $298,800 in 29803.

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

All 3 residential ZIP codes of Aiken

Residential ZIP codes with the postal name Aiken, SC, largest first (ACS 2020-2024); sort by any column
County
29803 Aiken County 40,699 319 $86k $299k
29801 Aiken County 31,108 350 $60k $174k
29805 Aiken County 4,935 51 $56k $192k

Download the 6 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 Aiken

3 ZIP codes named Aiken 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.

Aiken, 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
29802Aiken County
29804Aiken County
29808Aiken County

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

Which counties do Aiken's ZIP codes reach?

Aiken's residential ZIP codes lie in Aiken County.

Which first three digits do Aiken'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 Aiken starts with 298.

Three-digit prefixes of Aiken'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 Aiken's
PrefixSectional centerHereAll codes
298 Augusta, GA (SCF 308) 6 44

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