South Carolina

Allendale

8,039
2020 population
1920
first census record
11
census records

About Allendale

Allendale, South Carolina, first appears in the United States federal census in 1920, when it recorded a population of 16,098. At the most recent census, in 2020, its population stood at 8,039.

Its recorded population peaked at 16,098 in 1920, and has since declined by roughly 50 percent.

On the ground today, 3 documented military engagements have been recorded within the county, among them Skirmish at Little Salkehatchie — February 1865, Wheeler's Cavalry — Allendale County Action, Destruction at Allendale SC — February 1865, and 14 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
20208,039
201010,419
200011,211
199011,722
198010,700
19709,692
196011,362
195011,773
194013,040
193013,294
192016,098
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

Battles & engagements in Allendale

Military engagements that took place in Allendale, South Carolina.

Skirmish at Little Salkehatchie — February 1865
1865
Wheeler's Cavalry — Allendale County Action
1865
Destruction at Allendale SC — February 1865
1865

Historic places in Allendale

National Register of Historic Places listings in Allendale, South Carolina.

Smyrna Baptist Church
Allendale
Gravel Hill Plantation
Allendale
Colding-Walker House
Appleton
Lawton Mounds
Johnson's Landing
Roselawn
Allendale
Williams House
Ulmer
Erwin House
Allendale
Antioch Christian Church
Allendale
Young, Virginia Durant, House
Fairfax
Allendale County Courthouse
Allendale
Browse all South Carolinahistoric sites ›

Other counties in South Carolina

Explore census history and historic records for more South Carolina counties.

BerkeleyCalhounCharlestonCherokeeChesterChesterfieldClarendonColletonDarlingtonDillonDorchesterEdgefieldFairfieldFlorenceGeorgetownGreenvilleGreenwoodHamptonHorryJasper
Unlimited access

Everything a full report reveals about Allendale County, South Carolina

This page charts the census history of Allendale County, South Carolina. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
First month just $5.99, then $11.99 a month. Unlimited locations, cancel anytime.

Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.

Start your Allendale County, South Carolina report
Or see a real report first

Explore South Carolina records

South Carolinahistory ›NRHP historic sites ›Notable people from South Carolina›

Frequently asked about Allendale

When does Allendale first appear in the US census?
Allendale, South Carolina first appears in the federal census in 1920, with a recorded population of 16,098.
What is the population of Allendale?
At the most recent federal census (2020), Allendale had a recorded population of 8,039.
When did Allendale's population peak?
Allendale's recorded population peaked at 16,098 in 1920.
Were any battles fought in Allendale?
3 documented military engagements took place in Allendale, including Skirmish at Little Salkehatchie — February 1865, Wheeler's Cavalry — Allendale County Action, Destruction at Allendale SC — February 1865.
How many historic places are in Allendale?
14 sites are listed on the National Register of Historic Places in Allendale, South Carolina.
Aubrey Research

Research the history of any US location

Aubrey searches federal archives, archaeological records, historic registers, and primary sources to build a full historical report for any address or place in the United States.

Research your locationView a free sample report