In 2021, Alcolu, SC had a population of 388 people with a median age of 20 and a median household income of $30,536. Between 2020 and 2021 the population of Alcolu, SC declined from 413 to 388, a −6.05% decrease and its median household income declined from $33,750 to $30,536, a −9.52% decrease.
The 5 largest ethnic groups in Alcolu, SC are Black or African American (Non-Hispanic) (49.2%), White (Non-Hispanic) (35.3%), Other (Hispanic) (15.5%), White (Hispanic) (0%), and Black or African American (Hispanic) (0%).
None of the households in Alcolu, SC reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
97.4% of the residents in Alcolu, SC are U.S. citizens.
In 2021, the median property value in Alcolu, SC was $113,200, and the homeownership rate was 60.5%.
Most people in Alcolu, SC drove alone to work, and the average commute time was 29.3 minutes. The average car ownership in Alcolu, SC was 2 cars per household.