Lamar is a town in Darlington County, South Carolina, United States.

[6] In March 2019, the Mayor of Lamar, Darnell Byrd McPherson, called police to her home to investigate a hate crime.

According to the United States Census Bureau, the town has a total area of 1.2 square miles (3.0 km2), all land.

There were 467 housing units at an average density of 402.4 per square mile (155.4/km2).

29.3% of all households were made up of individuals, and 15.3% had someone living alone who was 65 years of age or older.