Counties in Missouri

• Adair (15 historic properties)
• Andrew (3 historic properties)
• Atchison (8 historic properties)
• Audrain (3 historic properties)
• Barry (13 historic properties)
• Barton (1 historic property)
• Bates (4 historic properties)
• Benton (4 historic properties)
• Bollinger (1 historic property)
• Boone (48 historic properties)
• Buchanan (60 historic properties)
• Butler (22 historic properties)
• Caldwell (2 historic properties)
• Callaway (19 historic properties)
• Camden (9 historic properties)
• Cape Girardeau (55 historic properties)
• Carroll (6 historic properties)
• Carter (30 historic properties)
• Cass (7 historic properties)
• Cedar (3 historic properties)
• Chariton (7 historic properties)
• Christian (2 historic properties)
• Clark (5 historic properties)
• Clay (36 historic properties)
• Cole (42 historic properties)
• Cooper (43 historic properties)
• Crawford (5 historic properties)
• Dade (3 historic properties)
• Dallas (1 historic property)
• Daviess (3 historic properties)
• De Kalb (3 historic properties)
• Dent (8 historic properties)
• Douglas (1 historic property)
• Dunklin (8 historic properties)
• Franklin (59 historic properties)
• Gasconade (10 historic properties)
• Gentry (4 historic properties)
• Greene (68 historic properties)
• Grundy (6 historic properties)
• Harrison (2 historic properties)
• Henry (8 historic properties)
• Hickory (2 historic properties)
• Holt (4 historic properties)
• Howard (24 historic properties)
• Howell (5 historic properties)
• Iron (5 historic properties)
• Jackson (309 historic properties)
• Jasper (28 historic properties)
• Jefferson (14 historic properties)
• Johnson (18 historic properties)
• Knox (2 historic properties)
• Laclede (6 historic properties)
• Lafayette (29 historic properties)
• Lawrence (4 historic properties)
• Lewis (11 historic properties)
• Lincoln (4 historic properties)
• Linn (5 historic properties)

• Livingston (4 historic properties)
• Macon (9 historic properties)
• Madison (5 historic properties)
• Maries (1 historic property)
• Marion (39 historic properties)
• McDonald (2 historic properties)
• Mercer (2 historic properties)
• Miller (8 historic properties)
• Mississippi (10 historic properties)
• Moniteau (9 historic properties)
• Monroe (9 historic properties)
• Montgomery (9 historic properties)
• Morgan (4 historic properties)
• New Madrid (8 historic properties)
• Newton (11 historic properties)
• Nodaway (8 historic properties)
• Oregon (2 historic properties)
• Osage (9 historic properties)
• Ozark (2 historic properties)
• Pemiscot (7 historic properties)
• Perry (7 historic properties)
• Pettis (28 historic properties)
• Phelps (10 historic properties)
• Pike (21 historic properties)
• Platte (16 historic properties)
• Polk (2 historic properties)
• Pulaski (5 historic properties)
• Putnam (1 historic property)
• Ralls (8 historic properties)
• Randolph (3 historic properties)
• Ray (6 historic properties)
• Reynolds (2 historic properties)
• Ripley (8 historic properties)
• Saline (30 historic properties)
• Schuyler (2 historic properties)
• Scotland (2 historic properties)
• Scott (7 historic properties)
• Shannon (16 historic properties)
• Shelby (4 historic properties)
• St. Charles (34 historic properties)
• St. Clair (2 historic properties)
• St. Francois (11 historic properties)
• St. Louis (556 historic properties)
• Ste. Genevieve (6 historic properties)
• Stoddard (4 historic properties)
• Stone (3 historic properties)
• Sullivan (6 historic properties)
• Taney (6 historic properties)
• Texas (5 historic properties)
• Vernon (7 historic properties)
• Warren (8 historic properties)
• Washington (10 historic properties)
• Wayne (3 historic properties)
• Webster (2 historic properties)
• Worth (1 historic property)
• Wright (4 historic properties)