Menard County Illinois (Historic Districts) has 2 places on the National Register of Historic Places including 1 place of National significance and 2 places of Statewide significance. Significant places include Lincoln's New Salem Village, Lincoln's New Salem Village and Petersburg Historic District.
The famous person Abraham Lincoln is associated with one of more of the Menard County historic places. Prominent architectural styles found in Menard Country are Greek Revival, Italianate and Queen Anne.