Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/SC/ALLENDALE

Allendale ZIP code, South Carolina

The ZIP code for Allendale, SC is 29810, and its area code is 803.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
2,653
Area code
803

Mail addressed to Allendale uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Allendale in numbers

About 2,653 people live in Allendale, in 1,256 households. The median household income is $23,529 a year, 66% below the South Carolina median of $69,324 (US: $80,734). The median owner-occupied home is valued at $86,500 (67% below the South Carolina median), and median gross rent is $568 a month. The median age is 39.4; 20.1% of adults 25 and over hold a bachelor's degree or higher (32.1% across South Carolina); the average commute takes 30 minutes.

Population2,653Allendale2,653
Households1,256Allendale1,256
Median age39.4Allendale39.4South Carolina40.2US 38.9
Median household income$23,529Allendale$23,529South Carolina$69,324US $80,734
Median home value$86,500Allendale$86,500South Carolina$259,000US $332,700
Median gross rent$568Allendale$568South Carolina$1,180US $1,413
Bachelor's degree or higher20.1%Allendale20.1%South Carolina32.1%US 35.7%
Mean commute29.5 minAllendale29.5 minSouth Carolina25.6 minUS 26.4 min
Population density802 / sq miAllendale802 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Allendale town. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Allendale

ZIP codes with the USPS city name Allendale
ZIP City Type Population Median income Median home
29810 Allendale , SC Standard 3,775 $26,835 $79,600

Other ZIP codes overlapping Allendale

These ZIP codes cover part of Allendale but are addressed as somewhere else.

ZIP codes overlapping Allendale
ZIP City Type Population Median income Median home
29827 Fairfax , SC Standard 3,396 $40,844 $66,600

Map of Allendale ZIP codes

The ZIP codes of Allendale, SC, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Allendale

The nearest larger towns are Barnwell (4,613 people, 16 mi), Denmark (3,117 people, 23 mi) and Bamberg (2,996 people, 26 mi).

Towns near Allendale
TownPopulationDistance
Hampton 2,636 15.1 mi
Barnwell 4,613 16.5 mi
Varnville 2,571 17.1 mi
Denmark 3,117 23.4 mi
Bamberg 2,996 25.8 mi
Sylvania, GA 2,618 26.4 mi
Williston 2,870 28.0 mi

More nearby: every ZIP code in Allendale County · South Carolina ZIP codes

Cite this page

zipcodes.pro. “Allendale, SC ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sc/allendale

Underlying data is public domain or openly licensed — sources, vintages and licences.