From its origins as a vast frontier jurisdiction to its role today as a leader in sustainability, conservation and public service, Coconino County continues to evolve while honoring the communities and natural resources that define it. The Founding Story On February 19, 1891, Coconino County was carved from the northern portion of Yavapai County by the 16th Territorial Assembly and officially established as its own jurisdiction. Now, 135 years later, the county has grown from a frontier … [Read more...] about Honoring 135 Years of Service, Stewardship, Community Connection