Cities/towns in Boulder, Colorado

• Allens Park (1 historic property)
• Allenspark (1 historic property)
• Boulder (23 historic properties)
• Eldora (4 historic properties)
• Estes Park (3 historic properties)
• Gold Hill (2 historic properties)
• Hygiene (1 historic property)
• Jamestown (3 historic properties)
• Lafayette (8 historic properties)
• Longmont (10 historic properties)

• Louisville (12 historic properties)
• Lyons (5 historic properties)
• Meeker Park (1 historic property)
• Nederland (1 historic property)
• Rollinsville (1 historic property)
• Salina (2 historic properties)
• Sunshine (1 historic property)
• Wall Street (1 historic property)
• Wallstreet (1 historic property)
• Ward (4 historic properties)