Jefferson County Mississippi (Vacant / Not In Use) has 2 places on the National Register of Historic Places including 1 place of National significance and 1 place of Statewide significance. Significant places include Springfield Plantation and Springfield Plantation, Poplar Hill Grade School, Springfield Plantation.
The famous person Thomas Marston Green Jr. is associated with one of more of the Jefferson County historic places. Prominent architectural styles found in Jefferson Country are .