In 2019, Allendale County, SC had a population of 9.02k people with a median age of 41.9 and a median household income of $27,185. Between 2018 and 2019 the population of Allendale County, SC declined from 9,214 to 9,024, a −2.06% decrease and its median household income grew from $24,560 to $27,185, a 10.7% increase.
The 5 largest ethnic groups in Allendale County, SC are Black or African American (Non-Hispanic) (73.6%), White (Non-Hispanic) (22.1%), Other (Hispanic) (1.8%), White (Hispanic) (1.27%), and Two+ (Non-Hispanic) (0.465%). 0% of the households in Allendale County, SC speak a non-English language at home as their primary language.
98.3% of the residents in Allendale County, SC are U.S. citizens.
The largest universities in Allendale County, SC are University of South Carolina-Salkehatchie (134 degrees awarded in 2020).
In 2019, the median property value in Allendale County, SC was $49,200, and the homeownership rate was 68.2%. Most people in Allendale County, SC drove alone to work, and the average commute time was 28.1 minutes. The average car ownership in Allendale County, SC was 2 cars per household.
Allendale County, SC borders Burke County, GA, Screven County, GA, Bamberg County, SC, Barnwell County, SC, Colleton County, SC, and Hampton County, SC.