Maricopa is the largest in population.
Coconino County is the largest in area and the County Seat is Flagstaff.
coconino county with 18,661 sq mi
Coconino with Flagstaff as the county seat.
Catron on the Arizona border.
Maricopa County.
Maricopa county
Maricopa.
Catron County on the Arizona border.
Coconino County: 18,661 square miles.
The five largest counties by land area in the United States are San Bernardino County (California), Coconino County (Arizona), Nye County (Nevada), Elko County (Nevada), and Mohave County (Arizona).
San Bernardino county is the largest county in California.
Maricopa County is the largest county in Arizona by both population and land size. As of the latest data, it has a population exceeding 4 million residents, making it the most populous county in the state and the fourth most populous in the United States. In terms of land area, Maricopa County covers approximately 9,224 square miles, which encompasses a diverse range of urban and rural landscapes.
The largest size county that is located in the state of Hawaii is Hawaii county. The county is approximately 4028 square miles.