ZIP Codes of Clarendon County, SC

Population & People
Population & People
Total Population
30,005
Household Income
Household Income
Median Income
$63,078
Housing
Housing
Total Housing Units
15,515
Business & Economy
Business & Economy
Total Businesses
491
Employment
Employment
Employment Rate
44.31%
Education
Education
Bachelor's Degree+
18.44%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 8 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:8 ZIP Codes (6 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:803 / 839 / 843 / 854
Timezone:Eastern (GMT -05:00)
Local Time:11:54:58 PM
Population:30,005 [See All]
FIPS:45027
Land Area:598 sq mi
Water Area:81 sq mi
Coordinates:33.7409, -80.1535
Quick Link:
https://www.zip-codes.com/county/sc-clarendon.asp
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Among South Carolina's 5 oldest counties
Median age 47.4.

Standout ZIPs in this County


Most Populous
Manning · 15,698 people
52.3% of county total
Highest Income
New Zion · $76,250 median
1.2× county average
Largest Land Area
Manning · 249.9 sq mi
Spans the most ground
Fastest Growth
Alcolu · 26.1% (10-yr)
1,855 → 2,339 residents
Most Educated
Summerton · 24.0% bachelor's+
1,092 of 4,553 adults 25+

Things worth knowing about Clarendon County


30,005 residents live across 8 ZIPs covering 598 sq mi, served by 8 distinct USPS-recognized cities.

Population moved from 33,305 to 30,005 from 2014 to 2024 — a -9.9% change. 2 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 29111 (New Zion, $76,250 median) and poorest ZIP 29102 (Manning, $47,441) are 14.4 miles apart — a 1.6× income gap across local geography.

Median home values vary 1.7× across this county — from $111,800 in 29162 (Turbeville) to $185,200 in 29148 (Summerton).

Density varies across the county — from 18 people/sq mi in 29051 (Gable) to 110 in 29162 (Turbeville).

Educational attainment ranges from 11.1% bachelor's+ in 29162 (Turbeville) to 28.5% in 29051 (Gable) — the breadth of educational profiles across the area.

Within South Carolina, this is the #30 most populous of 46 counties and ranks #21 for median household income .

Weighted by population, the typical household earns about $54,387 across the county — reflecting what a typical resident sees, not a simple ZIP average.

18.4% of adults age 25+ hold a bachelor's degree or higher (4,017 of 21,782 reporting).

6 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Clarendon County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
598
square miles
Avg density
50.2
people per sq mi
Population
30,005
across 8 ZIPs
Manning
249.9 sq mi
15,698 residents
Summerton
144.6 sq mi
6,033 residents
Alcolu
66.5 sq mi
2,339 residents

Population decline

Clarendon County lost 9.9% of residents between 2014 and 2024. ZIPs that shed the largest share:

Gable
-54.0%
1,647 → 758 residents
New Zion
-23.5%
1,831 → 1,401 residents
Summerton
-16.7%
7,239 → 6,033 residents
Manning
-11.3%
17,701 → 15,698 residents

All ZIP Codes in Clarendon County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
29102ManningStandard15,698$47,441249.9-11.3%
29148SummertonStandard6,033$56,300144.6-16.7%
29162TurbevilleStandard3,776$61,97934.324.5%
29001AlcoluStandard2,339$65,25066.526.1%
29111New ZionStandard1,401$76,25061.0-23.5%
29051GableStandard758$71,25041.4-54.0%
29143SardiniaPO Box0.0
29041Davis StationPO Box0.0

Adjacent & Nearby Counties