Boulder, Colorado
Boulder is a major city in Colorado (The Centennial State).
About the city
Boulder is part of Colorado's west region. Visitors and residents are drawn to its local character, amenities and access to the broader state — see the Colorado state guide for context on the whole state, including population figures and top attractions.
Things to do in Boulder
Start with the Colorado highlights — many of the state's best-known attractions are within easy reach of Boulder. For more ideas, browse the top things to do in Colorado or the Things to Do section.
Sources
U.S. Census Bureau and official state/city records. Red Rock Daily is building detailed city coverage across all 50 states.