Apache County is located in the northeast corner and eastern Arizona. As of the 2010 census, its population was 71,518. The main population centers...
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Cochise County is located in the southeastern corner of Arizona. The population was 131,346 at the 2010 census. It is one of only three...
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Coconino County is located in the north central part of Arizona. It is the second largest county in the United States and the largest in Arizona. The population...
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Gila County is located in the central and eastern parts of Arizona. As of the 2010 census, its population was 53,597. It contains parts of the Fort...
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Graham County is located in the southeastern part of Arizona. As of the 2010 census, its population was 37,220. It is one of the areas with the...
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Greenlee County is located in the southeastern part of Arizona. According to the 2010 census, its population was 8,437. It is the least populated...
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La Paz County is in the western part of Arizona. As of the 2010 census, its population was 20,489. The name of the county is the Spanish word for...
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Maricopa County is located near the central part of Arizona and includes Phoenix, Arizona's largest city and the state’s capital. As of 2010, its...
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Mohave County is located in the northwestern corner of Arizona. As of the 2010 census, its population was 200,186. While the county’s largest single...
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Navajo County is located in the northern and eastern parts of Arizona. As of the 2010 census, its population was 107,449. Navajo County contains...
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Pima County is in the south central region of Arizona. The population was 980,263 at the 2010 census. Pima County contains parts of the...
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Pinal County is located in the central part of Arizona. As of 2010, its population was 375,770. The name Pinal comes from the Pinal Apaches...
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Santa Cruz County is a small county located in southern Arizona. It serves as the gateway to North America's most important port of entry...
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Yavapai County is located near the center of Arizona. As of the 2010 census, its population was 211,073. It is Arizona's fourth most heavily populated...
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Yuma County is located in the southwestern corner of Arizona. As of the 2010 census, its population was 195,751. The Cocopah and the Fort...
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