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 107 years ago in 1918.
County Snapshot
Allendale County at a glance
Allendale County currently has 4 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
4
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
South Carolina counties
46
Open related pagesLargest city
AllendalePopulation 2,829
Top linked places
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% |
| Latitude & Longitude | 32.9881,-81.3582 |
| Named for | Paul H. Allen, Allendale |
| Altitude | 194 feet / 59 meters |
| Capital | Allendale |
| Establishment | January 01, 1919 |
| Time Zone | America/New_York |
| Local time | 04:15:55 (17th April 2026) |
| Density | 8 Pop. per km² as of 2020 |
| Population growth | -25.06% (2010-2020) |
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
icon to open full mode. View satellite images
The largest city of Allendale County is Allendale with a population of 2,829. Other cities include, Fairfax population 1,622, Sycamore population 148 and Ulmer population 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 |
Official website of Allendale County
Official Website- 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 |
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. |