ZIP Codes of Aiken County, SC

Population & People
Population & People
Total Population
159,147
Household Income
Household Income
Median Income
$60,316
Housing
Housing
Total Housing Units
72,919
Business & Economy
Business & Economy
Total Businesses
2,943
Employment
Employment
Employment Rate
54.27%
Education
Education
Bachelor's Degree+
31.66%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 23 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:23 ZIP Codes (14 Standard, 8 PO Box, 1 Unique) [See All]
Area Codes:803 / 839
Timezone:Eastern (GMT -05:00)
Local Time:2:13:38 PM
Population:159,147 [See All]
FIPS:45003
CBSA:Augusta-Richmond County, GA-SC
Land Area:887 sq mi
Water Area:8 sq mi
Coordinates:33.5328, -81.7364
Quick Link:
https://www.zip-codes.com/county/sc-aiken.asp
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Extreme geographic sprawl
The largest ZIP spans 242× the smallest by area — 157.4 sq mi down to 0.65.
Striking education divide
Bachelor's share spans 7.1% to 47.1% — a 40-point gap.

Standout ZIPs in this County


Most Populous
Aiken · 40,699 people
25.6% of county total
Highest Income
Monetta · $94,444 median
1.6× county average
Largest Land Area
Aiken · 157.4 sq mi
Spans the most ground
Fastest Growth
Monetta · 36.0% (10-yr)
1,192 → 1,621 residents
Most Educated
Aiken · 47.1% bachelor's+
14,259 of 30,256 adults 25+

Things worth knowing about Aiken County


159,147 residents live across 23 ZIPs covering 887 sq mi, served by 17 distinct USPS-recognized cities.

Population moved from 150,182 to 159,147 from 2014 to 2024 — a +6.0% change. 8 ZIPs gained residents, 8 lost.

The county's wealthiest ZIP 29105 (Monetta, $94,444 median) and poorest ZIP 29137 (Salley, $41,116) are 23.3 miles apart — a 2.3× income gap across local geography.

Median home values vary 3.4× across this county — from $87,800 in 29816 (Bath) to $298,800 in 29803 (Aiken).

Density varies 43× across the county — from 23 people/sq mi in 29137 (Salley) to 988 in 29841 (North Augusta).

Educational attainment ranges from 7.1% bachelor's+ in 29105 (Monetta) to 47.1% in 29803 (Aiken) — the breadth of educational profiles across the area.

Within South Carolina, this is the #12 most populous of 46 counties and ranks #23 for median household income with the #16 fastest decade growth .

Hosts 1 single-entity Unique ZIP: 29808Ei Dupont Corp .

Weighted by population, the typical household earns about $70,434 across the county — reflecting what a typical resident sees, not a simple ZIP average.

31.7% of adults age 25+ hold a bachelor's degree or higher (35,494 of 112,108 reporting). The most-educated ZIPs cluster around Aiken.

14 Standard delivery, 8 PO Box only, 1 single-entity Unique ZIPs serve this county.

All ZIP Codes in Aiken County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
29803AikenStandard40,699$86,023157.49.8%
29841North AugustaStandard32,342$71,60632.72.2%
29801AikenStandard31,108$59,57391.113.6%
29829GranitevilleStandard12,385$84,22835.821.0%
29851WarrenvilleStandard9,070$70,95323.229.1%
29842Beech IslandStandard8,102$57,94942.1-5.4%
29805AikenStandard4,935$56,18598.5-15.4%
29164WagenerStandard4,830$49,440102.114.3%
29831JacksonStandard4,394$53,790113.111.4%
29856WindsorStandard3,272$50,39560.5-8.1%
29809New EllentonStandard2,301$55,2345.6-19.3%
29137SalleyStandard2,248$41,11696.7-10.4%
29105MonettaStandard1,621$94,44427.236.0%
29816BathPO Box1,092$47,4590.0-28.9%
29828GlovervilleStandard4890.7-53.6%
29834LangleyPO Box259$26,3390.0-83.2%
29808AikenUnique0.0
29850VauclusePO Box0.0
29839MontmorenciPO Box0.0
29802AikenPO Box0.0
29861North AugustaPO Box0.0
29822ClearwaterPO Box0.0
29804AikenPO Box0.0

Adjacent & Nearby Counties