Madison County Idaho has 4 places on the National Register of Historic Places including 2 places of Statewide significance. Significant places include Madison County Courthouse and Rexburg Stake Tabernacle, Brenner, Jacob, House, Madison County Courthouse and Spori, Jacob, Building.
Some of the country's most noteable architects helped create the Madison County places including C.A. Sundberg, Charles Zollinger, Jarvis, Summers and Charles William Speiermann. Prominent architectural styles found in Madison Country are Romanesque, Beaux Arts and Italianate.