List of all counties in Arizona state in ABC order. Counties with red border around name have population of more than 100 000. Double width border represents the population of 500 000+.
Apache County Cochise County Coconino County Gila County Graham County Greenlee County La Paz County Maricopa County Mohave County Navajo County Pima County Pinal County Santa Cruz County Yavapai County Yuma County
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