What is the largest city in Aiken County, SC?

Aiken is the largest city or town in Aiken County, with about 32,521 residents.

How many ZIP codes are in Aiken County?

Aiken County includes 16 ZIP Code Tabulation Areas, including 29105, 29137, 29164, 29801, 29803.

What is the population of Aiken County, SC?

About 174,160 people live in Aiken County, based on American Community Survey 5-year estimates.

What counties border Aiken County?

Aiken County borders Lexington County, Richmond County, GA, Orangeburg County, Edgefield County, Burke County, GA, Barnwell County, Saluda County.

Aiken County, SC: Cities, ZIP Codes & Local Data

Population

174,160

Land area

1,071sq mi

People per sq mi

163

ZIP codes

16

Aiken County at a glance

The median household income is $70,609, close to the South Carolina median.
A typical owner-occupied home is valued at $218,000 (16% below South Carolina) and median rent is $1,062 a month.
Its largest cities are Aiken (32,521), North Augusta (25,653) and Belvedere (5,180).

Local data for Aiken County, SC

Counts from official public data

Housing and community stats

Aiken County, SC, American Community Survey 2020-2024

Full profile

Median household income

$70,609

Poverty rate

14.3%

Median home value

$218,000

Prices +7.5% in a year

Median rent

$1,062/mo

Homeownership

76.5%

Bachelor's or higher

31.9%

Median age

42.0

Average commute

25.0 min

Largest reported origins and ancestries: German Americans (18,427), Irish Americans (15,081), Italian Americans (6,258).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

3.6%

Sep 2026, -0.9 pts in a year

Average annual pay

$65,945

66,800 jobs, 2025

Income per person

$56,728

BEA, 2024

Federal spending

$6.3B

FY 2026, $37,167 per person

PPP loans

$175M

3,271 loans, 24,436 jobs reported

Campaign donations

$613K

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Aiken County, SC, workers 16 and older. American Community Survey 5-year estimates

Drove alone79.5%
Carpooled7.8%
Public transit0.3%
Walked0.7%
Bicycle0.2%
Taxi, ride-hailing, motorcycle or other0.9%
Worked from home10.6%

Average one-way commute: 25.0 minutes for people who do not work from home.

Environment and hazard risk

Aiken County, SC, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: ice storm

Storm events since 1996

778

Most often thunderstorm wind

Flood insurance policies

486

0.6% of homes, county

July high / Jan low

93° / 32°F

Hazards, floods and storm history Check a flood zone 19 historic places

Health statistics

Share of adults in Aiken County, SC, CDC PLACES estimates

All 40 measures

Obesity

34.4%

U.S. 33.3% +1.1 pts

Diabetes

13.9%

U.S. 12.1% +1.8 pts

Smoking

13.4%

U.S. 12.8% +0.6 pts

Uninsured (18-64)

11.8%

U.S. 11.1% +0.7 pts

Cities, towns and ZIP codes in Aiken County

Population shown

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Frequently asked questions

What is the largest city in Aiken County, SC?: Aiken is the largest city or town in Aiken County, with about 32,521 residents.
How many ZIP codes are in Aiken County?: Aiken County includes 16 ZIP Code Tabulation Areas, including 29105, 29137, 29164, 29801, 29803.
What is the population of Aiken County, SC?: About 174,160 people live in Aiken County, based on American Community Survey 5-year estimates.
What counties border Aiken County?: Aiken County borders Lexington County, Richmond County, GA, Orangeburg County, Edgefield County, Burke County, GA, Barnwell County, Saluda County.