What is the poorest county in SC?

Written by Editorial Team | Last Updated: August 2026

Allendale County is widely documented by United States Census Bureau data as the poorest county in South Carolina. Located in the state's rural Coastal Plain region, Allendale suffers from chronic economic distress, high unemployment, population loss, and a median household income that sits far below the national and state averages. The lack of major industrial anchors and limited economic diversification have historically hindered wealth creation and infrastructure development across the area.

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