Counties in North Dakota

• Adams (3 historic properties)
• Barnes (11 historic properties)
• Benson (7 historic properties)
• Billings (9 historic properties)
• Bottineau (3 historic properties)
• Bowman (2 historic properties)
• Burke (3 historic properties)
• Burleigh (24 historic properties)
• Cass (33 historic properties)
• Cavalier (2 historic properties)
• Dickey (7 historic properties)
• Divide (4 historic properties)
• Dunn (3 historic properties)
• Eddy (5 historic properties)
• Emmons (18 historic properties)
• Foster (6 historic properties)
• Golden Valley (2 historic properties)
• Grand Forks (65 historic properties)
• Grant (4 historic properties)
• Griggs (4 historic properties)
• Hettinger (5 historic properties)
• Kidder (3 historic properties)
• La Moure (3 historic properties)
• Logan (2 historic properties)
• McHenry (12 historic properties)
• McIntosh (7 historic properties)

• McKenzie (3 historic properties)
• McLean (7 historic properties)
• Mercer (8 historic properties)
• Morton (9 historic properties)
• Mountrail (3 historic properties)
• Nelson (3 historic properties)
• Oliver (1 historic property)
• Pembina (9 historic properties)
• Pierce (7 historic properties)
• Ramsey (13 historic properties)
• Ransom (9 historic properties)
• Renville (2 historic properties)
• Richland (12 historic properties)
• Rolette (2 historic properties)
• Sargent (1 historic property)
• Sheridan (1 historic property)
• Slope (3 historic properties)
• Stark (6 historic properties)
• Steele (3 historic properties)
• Stutsman (11 historic properties)
• Towner (1 historic property)
• Traill (22 historic properties)
• Walsh (14 historic properties)
• Ward (15 historic properties)
• Wells (5 historic properties)
• Williams (7 historic properties)