Sycamore is a town in Allendale County, South Carolina, United States.

[5] As of the 2020 United States census, there were 147 people, 104 households, and 36 families residing in the town.

At the 2000 census there were 185 people, 81 households, and 54 families living in the town.

There were 93 housing units at an average density of 29.3 per square mile (11.3/km2).

About 6.8% of families and 10.1% of the population were below the poverty line, including 7.5% of those under the age of eighteen and 16.7% of those sixty five or over.