Lamar is a census-designated place and unincorporated community in Benton County, Mississippi, United States.

[2] It is located along Mississippi Highway 7 in western Benton County.

[3] The nearly abandoned Mississippi Central Railroad runs through Lamar, and is only used rarely for freight trafficking.

[7] A post office first began operation under the name Lamar in 1837.

This Benton County, Mississippi state location article is a stub.