Allendale County, South Carolina

Allendale County: County in South Carolina, United States

About

Allendale County is a county located in the U.S. state of South Carolina. As of the 2010 census, the population was 10,419 and a population density of 10 people per km². After 10 years in 2020 county had an estimated population of 8,331 inhabitants. Its county seat is Allendale. The county was created 105 years ago in 1918.

Allendale County locator map
Location of Allendale County on South Carolina map.

Quick Facts about Allendale County

Population : 8,331 (2020)
Country : United States of America
State : South Carolina (United States)
Area : 1069 km2
Water as percent of area : 1%
Land as percent of area : 99%
Named for : Paul H. Allen, Allendale
Altitude : 194 feet / 59 meters
Capital : Allendale
Establishment : January 01, 1919
Time Zone : America/New_York
Local time : 16:15:10 (2nd November 2024)
Density : 8 Pop. per km² as of 2020
Population growth : -25.06% (2010-2020)
Allendale County Courthouse image
Allendale County Courthouse
Allendale County Courthouse image
Allendale County Courthouse image

Geography

Allendale County is located at 32°59'17"N 81°21'30"W (32.9881100, -81.3582000). It has 6 neighbors: Burke County, Screven County, Bamberg County, Barnwell County, Colleton County and Hampton County.

Allendale County map

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The largest city of Allendale County is Ulmer with a population of 71. . See all Allendale County cities & populated places.

Allendale County Populated Places

Cities, towns, neighborhoods & other populated places in Allendale County.

City Name Population Title
Allendale 2,829 Town in South Carolina, United States
Fairfax 1,622 Town in South Carolina, United States
Sycamore 148 Town in South Carolina
Ulmer 71 Human settlement in Allendale County, South Carolina, United States of America

Allendale County has 6 neighbours.

  • Allendale

Demographics

According to census records, the population of Allendale County decreased by 25.06% in 10 years.

Year Population % Change Method
2010 10,419 - census
2011 10,236 -1.79% estimation process
2012 9,982 -2.54% estimation process
2013 9,825 -1.6% estimation process
2014 9,701 -1.28% estimation process
2015 9,430 -2.87% estimation process
2016 9,067 -4% estimation process
2017 9,012 -0.61% estimation process
2018 8,924 -0.99% estimation process
2019 8,688 -2.72% estimation process
2020 8,331 -4.29% estimation process

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South Carolina Other Counties (more counties)

County Name Population Title
Greenville County 532,486 County in South Carolina, United States
Richland County 419,051 County in South Carolina, United States
Charleston County 417,981 County in South Carolina, United States of America
Horry County 365,449 County in South Carolina, United States
Spartanburg County 326,205 County in South Carolina, United States
Lexington County 303,946 County in South Carolina, United States
York County 289,105 County in South Carolina, United States
Berkeley County 235,987 County in South Carolina, United States of America
Anderson County 204,353 County in Tennessee, United States
Beaufort County 195,656 County in South Carolina, United States
Anderson County Airport 194,692 A county-owned airport located in Anderson County, South Carolina.
Aiken County 172,895 County in South Carolina, United States
Dorchester County 165,737 County in Maryland, United States
Charleston 139,714 The most populous city in South Carolina.
Florence County 137,588 County in South Carolina, United States
Columbia 132,130 The most populous city in South Carolina.