Cities/towns in Delaware, Pennsylvania

• Ardmore (2 historic properties)
• Boothwyn (2 historic properties)
• Broomall (2 historic properties)
• Bryn Mawr (1 historic property)
• Chadds Ford (7 historic properties)
• Chadds Ford Township (1 historic property)
• Chester (6 historic properties)
• Chester Heights Borough (1 historic property)
• Cheyney (2 historic properties)
• Clifton Heights (1 historic property)
• Collingdale (1 historic property)
• Concord Township (1 historic property)
• Concordville (5 historic properties)
• Darby (1 historic property)
• Dilworthtown (1 historic property)
• Essington (2 historic properties)
• Glen Mills (1 historic property)
• Haverford (4 historic properties)
• Ithan (1 historic property)
• Lansdowne (4 historic properties)

• Lima (1 historic property)
• Media (7 historic properties)
• Newtown Square (1 historic property)
• Newtown Township (2 historic properties)
• Norwood (1 historic property)
• Prospect Park (1 historic property)
• Radnor Township (1 historic property)
• Rose Valley (1 historic property)
• Rose Valley Borough (1 historic property)
• St. Davids (1 historic property)
• Swarthmore (2 historic properties)
• Thornbury (2 historic properties)
• Upland (5 historic properties)
• Upper Darby Twnshp. (1 historic property)
• Villanova (2 historic properties)
• Wallingford (3 historic properties)
• Wawa (1 historic property)
• Wayne (5 historic properties)
• Westchester (1 historic property)