List of Counties in Arizona - Alphabetical Listing

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