Coconino County, Arizona

county in Arizona, United States

Coconino County is a county located in the north central part of the U.S. state of Arizona. The population was 145,101 at the 2020 census.[1] The county seat is Flagstaff.[2]

It is the second-largest county by area in the United States.[a]


  1. This does not include the boroughs of Alaska.
  1. "QuickFacts: Coconino County, Arizona". United States Census Bureau. Retrieved August 8, 2023.
  2. National Association of Counties. "NACo County Explorer". Retrieved January 24, 2024.