Boulder County is home to more than 300,000 residents and includes some of the most diverse, natural landscapes and sustainable development along the Northern Front Range of Colorado.

From visionary open space, land use and sustainability policies to forward-thinking and compassionate human services programs, our county government helps foster a vibrant, healthy and active community.

The county seat is the City of Boulder. Other incorporated towns and cities include: Erie, Jamestown, Lafayette, Longmont, Louisville, Lyons, Nederland, Superior, and Ward.