Alphabetical Listing
| County |
FIPS code |
County seat |
Established |
Formed from |
Etymology |
Population |
Area |
Map |
|---|---|---|---|---|---|---|---|---|
| Apache County | 001 | St. Johns | 1879 | Part of Yavapai County. | The Apache Native American people, who are resident in northeastern Arizona. | 700469980000000000069,980 | 700411218000000000011,218 sq mi (700429054000000000029,054 km2) |
|
| Cochise County | 003 | Bisbee | 1881 | Part of Pima County. | Cochise, the Apache Native American leader. | 7005127866000000000127,866 | 70036219000000000006,219 sq mi (700416107000000000016,107 km2) |
|
| Coconino County | 005 | Flagstaff | 1891 | Part of Yavapai County. | Coconino Native American people, a Hopi designation for Havasupai and Yavapai people. | 7005134421000000000134,421 | 700418661000000000018,661 sq mi (700448332000000000048,332 km2) |
|
| Gila County | 007 | Globe | 1881 | Parts of Maricopa County and Pinal County. | Gila River, a river that flows through Arizona, whose name comes from a Pima Indian word. | 700451994000000000051,994 | 70034796000000000004,796 sq mi (700412422000000000012,422 km2) |
|
| Graham County | 009 | Safford | 1881 | Parts of Apache County and Pima County. | Mount Graham, a mountain located in Arizona's Pinaleno Mountains. | 700434769000000000034,769 | 70034641000000000004,641 sq mi (700412020000000000012,020 km2) |
|
| Greenlee County | 011 | Clifton | 1909 | Part of Graham County. | Mason Greenlee, a pioneer prospector in the area who died in 1903. | 70037754000000000007,754 | 70031848000000000001,848 sq mi (70034786000000000004,786 km2) |
|
| La Paz County | 012 | Parker | 1983 | Part of Yuma County. | La Paz, Arizona, a historic boomtown on the Colorado River. La paz means the peace in Spanish. | 700420172000000000020,172 | 70034513000000000004,513 sq mi (700411689000000000011,689 km2) |
|
| Maricopa County | 013 | Phoenix | 1871 | Parts of Pima County and Yavapai County. | Maricopa Native American people. | 70063990181000000003,990,181 | 70039224000000000009,224 sq mi (700423890000000000023,890 km2) |
|
| Mohave County | 015 | Kingman | 1864 | One of the original 4 counties. | Mohave Indians, one of the Yuma tribes. | 7005194944000000000194,944 | 700413470000000000013,470 sq mi (700434887000000000034,887 km2) |
|
| Navajo County | 017 | Holbrook | 1895 | Part of Apache County. | Navajo Native American people. | 7005111273000000000111,273 | 70039959000000000009,959 sq mi (700425794000000000025,794 km2) |
|
| Pima County | 019 | Tucson | 1864 | One of the original 4 counties. | Pima Native American people, called in their own language Akimel O'odham (river people). | 70061003235000000001,003,235 | 70039189000000000009,189 sq mi (700423799000000000023,799 km2) |
|
| Pinal County | 021 | Florence | 1875 | Parts of Maricopa and Pima counties. | Pinal Mountains (named from the Spanish for stand of pines) and the Pinal Indian people (a band of Coyotero Apaches) who lived there. | 7005324962000000000324,962 | 70035374000000000005,374 sq mi (700413919000000000013,919 km2) |
|
| Santa Cruz County | 023 | Nogales | 1899 | Parts of Cochise and Pima counties. | Santa Cruz River, a small river that flows through Arizona. | 700442845000000000042,845 | 70031238000000000001,238 sq mi (70033206000000000003,206 km2) |
|
| Yavapai County | 025 | Prescott | 1864 | One of the original 4 counties. | Yavapai Native American people, who are from central Arizona | 7005212635000000000212,635 | 70038128000000000008,128 sq mi (700421051000000000021,051 km2) |
|
| Yuma County | 027 | Yuma | 1864 | One of the original 4 counties. | Yuma Indians, today called the Quechan. | 7005190557000000000190,557 | 70035519000000000005,519 sq mi (700414294000000000014,294 km2) |
Read more about this topic: List Of Counties In Arizona