Cities/towns in Iowa, Iowa

• Conroy (1 historic property)
• Ladora (1 historic property)
• Marengo (1 historic property)
• Middle Amana (2 historic properties)
• Millersburg (1 historic property)

• North English (1 historic property)
• Norway (1 historic property)
• Parnell (1 historic property)
• Williamsburg (2 historic properties)