Coconino County, Arizona: History
After European Americans completed the Atlantic & Pacific Railroad in 1883, the region of northern Yavapai County began to undergo rapid growth. The people of the northern reaches had tired of the rigors of traveling to Prescott to conduct county business. They believed that they should have their own county jurisdiction, so petitioned in 1887 for secession from Yavapai and creation of a new Frisco County. This did not take place, but Coconino County was formed in 1891 and its seat was designated as Flagstaff.