There are 4 cities in Allendale County, South Carolina.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Allendale1South Carolina2,2892,679-4.7%6923.31
Fairfax2South Carolina1,2661,481-4.74%3823.31
Sycamore3South Carolina129150-4.44%413.17
Ulmer4South Carolina5563-3.51%202.74
showing: 4 rows

Cities in Allendale County, South Carolina by Population (2024)

What is the largest city in Allendale County, South Carolina?

Allendale is the largest city in Allendale County.

What is the smallest city in Allendale County, South Carolina?

Ulmer is the smallest city in Allendale County.

How many cities are in Allendale County?

There are 4 cities in Allendale County, South Carolina.

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