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Allendale, SC

View of Allendale, SC
Image credit: Jud McCranie / CC BY-SA 4.0
Population
2,427
U.S. Census Population Estimates Program · 2025
Elevation
187 ft
Median Home Value
$86,500
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$568/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$23,529
U.S. Census American Community Survey 5-Year · 2024

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Allendale in context.

OverallBest places in South CarolinaPopulation rankingHighest population places in South CarolinaNearest larger communityOrangeburg, South Carolina42 miles away · 13,383 residents.

About Allendale

Allendale is the county seat of Allendale County, South Carolina’s last-created county. The county took shape in 1919 from parts of Barnwell and Hampton counties, and the town’s courthouse followed in 1921–22 as the county’s first and only courthouse. Historic listings around town include the Erwin House, Roselawn, Antioch Christian Church, and the Red Bluff Flint Quarries. The University of South Carolina Salkehatchie has been here since 1965. Allendale is a county-seat town where the courthouse and old landmarks do most of the talking.

Top Rating Signals

Highest current ratings for this town.

Lower Projected Late-Century County-Area Exposure to Sea-Level RiseA+100.0ratingLow PopulationA+99.3ratingNearby Hospital Emergency DepartmentsA+97.2rating

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