The historic City of Black Hawk is a home rule municipality located in Gilpin County, Colorado, United States. The city population was 127 at the 2020 United States Census, making Black Hawk the least populous city in Colorado.

Black Hawk is Colorado's premier casino gaming destination, home of outstanding lodging and dining at some of the finest hotels and restaurants. For more than a century, people have traveled to Black Hawk in search of entertainment, luck and prosperity, and it’s certainly no different today. They are also home to some of the most beautiful hiking and biking trails and camping areas in the entire state.