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.
The largest size county that is located in the state of Hawaii is Hawaii county. The county is approximately 4028 square miles.
SIZE: The largest Minnesota county by size is St. Louis County (6,226 square miles). POPULATION: The largest Minnesota county by population is Hennepin County (population of 1,116,200).