Allendale
Allendale has notably lower household income than the US average, with a median household income of $23,529. Population has fallen 35% since 2000, a loss of 1,399 residents. 20% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $86,500. The poverty rate of 45.1% is well above the national figure. It falls in the bottom 10% of US cities for household income.
Population & growth
PEP 2025 EST:2,427 residents (Census Bureau Vintage 2025, released March 2026)
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How many people live in Allendale, South Carolina?
Allendale, South Carolina has about 2,653 residents according to the 2024 American Community Survey.
What is the median household income in Allendale, South Carolina?
The typical household in Allendale, South Carolina earns about $23,529 a year. Half of households make more than that, and half make less.
Is Allendale, South Carolina expensive?
In Allendale, South Carolina, the median home is worth about $86,500, and the typical rent is about $568 a month.
How educated are people in Allendale, South Carolina?
About 20.1% of adults age 25 and over in Allendale, South Carolina hold a bachelor's degree or higher.
What is the poverty rate in Allendale, South Carolina?
About 45.1% of people in Allendale, South Carolina live below the federal poverty line.
Has Allendale, South Carolina grown since 1990?
Yes, Allendale, South Carolina has shrunk since 1990. The population has lost about 1,757 residents, a change of about -40 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024