Caddo County Louisiana (Historic Districts) has 11 places on the National Register of Historic Places including 5 places of Statewide significance. Significant places include Highland Historic District (Boundary Increase), Shreveport Commercial Historic District (Boundary Increase and Decrease), Shreveport Commercial Historic District (Boundary Increase), South Highlands Historic District and St. Paul's Bottoms.
The famous person Mary D.C. Cane is associated with one of more of the Caddo County historic places.
Some of the country's most noteable architects helped create the Caddo County places including Edward F. Neild and et al.. Prominent architectural styles found in Caddo Country are Bungalow/Craftsman, Colonial Revival and Queen Anne.