Counties in Indiana

• Adams (8 historic properties)
• Allen (58 historic properties)
• Bartholomew (21 historic properties)
• Benton (5 historic properties)
• Blackford (4 historic properties)
• Boone (9 historic properties)
• Brown (5 historic properties)
• Carroll (21 historic properties)
• Cass (15 historic properties)
• Clark (12 historic properties)
• Clay (14 historic properties)
• Clinton (10 historic properties)
• Crawford (1 historic property)
• Daviess (11 historic properties)
• De Kalb (25 historic properties)
• Dearborn (24 historic properties)
• Decatur (10 historic properties)
• Delaware (43 historic properties)
• Dubois (11 historic properties)
• Elkhart (34 historic properties)
• Fayette (5 historic properties)
• Floyd (18 historic properties)
• Fountain (11 historic properties)
• Franklin (12 historic properties)
• Fulton (8 historic properties)
• Gibson (9 historic properties)
• Grant (17 historic properties)
• Greene (6 historic properties)
• Hamilton (28 historic properties)
• Hancock (9 historic properties)
• Harrison (7 historic properties)
• Hendricks (19 historic properties)
• Henry (13 historic properties)
• Howard (11 historic properties)
• Huntington (20 historic properties)
• Jackson (15 historic properties)
• Jasper (6 historic properties)
• Jay (8 historic properties)
• Jefferson (11 historic properties)
• Jennings (7 historic properties)
• Johnson (16 historic properties)
• Knox (17 historic properties)
• Kosciusko (16 historic properties)
• La Porte (16 historic properties)
• Lagrange (7 historic properties)
• Lake (62 historic properties)

• Lawrence (12 historic properties)
• Madison (17 historic properties)
• Marion (229 historic properties)
• Marshall (15 historic properties)
• Martin (1 historic property)
• Miami (12 historic properties)
• Monroe (39 historic properties)
• Montgomery (21 historic properties)
• Morgan (27 historic properties)
• Newton (5 historic properties)
• Noble (10 historic properties)
• Ohio (2 historic properties)
• Orange (15 historic properties)
• Owen (14 historic properties)
• Parke (44 historic properties)
• Perry (8 historic properties)
• Pike (3 historic properties)
• Porter (32 historic properties)
• Posey (20 historic properties)
• Pulaski (6 historic properties)
• Putnam (20 historic properties)
• Randolph (12 historic properties)
• Ripley (12 historic properties)
• Rush (23 historic properties)
• Scott (3 historic properties)
• Shelby (12 historic properties)
• Spencer (8 historic properties)
• St. Joseph (87 historic properties)
• Starke (2 historic properties)
• Steuben (13 historic properties)
• Sullivan (6 historic properties)
• Switzerland (8 historic properties)
• Tippecanoe (42 historic properties)
• Tipton (2 historic properties)
• Union (1 historic property)
• Vanderburgh (94 historic properties)
• Vermillion (8 historic properties)
• Vigo (47 historic properties)
• Wabash (25 historic properties)
• Warren (3 historic properties)
• Warrick (7 historic properties)
• Washington (7 historic properties)
• Wayne (33 historic properties)
• Wells (4 historic properties)
• White (4 historic properties)
• Whitley (4 historic properties)