Arizona County Maps: Interactive History & Complete List

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Map of Arizona county boundaries and county seats.
Map of Arizona county boundaries and county seats.

Maps of Arizona are an invaluable piece of ancestral and family tree research, particularly in the event that you live far away from where your ancestor resided.

Due to the fact that Arizona’s political borders have often changed over the years, historic maps are important in helping you discover the exact location of your ancestor’s home, just what land they owned, who their neighbors ended up being, and much more besides.

Maps of Arizona are an excellent tool for getting started with your own research because they provide reliable information and facts quickly and present them in a clear and easily understandable format.

Arizona borders California, Colorado, Nevada, New Mexico, Utah, and Mexico. Arizona’s 10 largest cities are Phoenix, Tucson, Mesa, Chandler, Glendale, Scottsdale, Gilbert, Tempe, Peoria, and Yuma.

Learn more historical facts about Arizona counties here.

Interactive Map of Arizona Counties Formation

AniMap Plus 3.0, with the permission of the Goldbug Company

List Of Every Arizona County

Apache County

Established in 1879, Apache County is the first and largest county in Arizona with a population of around 70,000. It is located in the northeastern part of the state, bordering New Mexico.

Cochise County

Founded in 1881, Cochise County is located in southeastern Arizona and has approximately 125,000 residents. It is known for its historical landmarks, including the famous town of Tombstone.

Coconino County

Coconino County is situated in the northern part of Arizona and was established in 1891. It has a population of roughly 140,000. It is home to the Grand Canyon, as well as other natural wonders such as Sedona’s red rocks.

Gila County

Founded in 1881, Gila County is located in central Arizona and has a population of approximately 54,000. It is famous for its mining history and outdoor recreation opportunities.

Graham County

Established in 1881, Graham County is situated in southeastern Arizona and has around 38,000 residents. It is home to the Mount Graham International Observatory.

Greenlee County

Greenlee County is located in southeastern Arizona and was founded in 1909. It has a population of roughly 10,000. It is celebrated for its mining history and outdoor recreation opportunities.

La Paz County

Established in 1983, La Paz County is situated in western Arizona and has approximately 22,000 residents. It is home to the Colorado River and several recreational lakes.

Maricopa County

Founded in 1871, Maricopa County is the most populous county in Arizona with a population of over 4 million. It includes the city of Phoenix, the state capital.

Mohave County

Mohave County was established in 1864 and is located in the northwestern part of Arizona. It has a population of around 215,000. It is acclaimed for its desert landscapes and outdoor recreation opportunities.

Navajo County

Established in 1895, Navajo County is situated in northeastern Arizona and has a population of approximately 110,000. It is home to several Native American reservations, including the Navajo Nation.

Pima County

Founded in 1864, Pima County is located in southern Arizona and has over 1 million residents. It includes the city of Tucson, the second-largest city in Arizona.

Pinal County

Established in 1875, Pinal County is situated in central Arizona and has a population of approximately 460,000. It is notable for its agriculture and mining industries.

Santa Cruz County

Santa Cruz County is located in southern Arizona and was established in 1899. It has a population of around 46,000. It is home to several historic landmarks and scenic drives.

Yavapai County

Founded in 1864, Yavapai County is situated in central Arizona and has a population of approximately 240,000. It is famous for its mountainous landscapes and outdoor recreation opportunities.

Yuma County

Yuma County is located in southwestern Arizona and was established in 1864. It has around 212,000 residents. It is home to the city of Yuma, a major agricultural center.

Old Antique Atlases & Maps of Arizona

Disclaimer: All Arizona maps are free to use for your own genealogical purposes and may not be reproduced for resale or distribution.

Source: David Rumsey Historical Map Collection

  • 1866 Sketch of Public Surveys in New Mexico & Arizona

    1866 New Mexico & Arizona

    1866 Sketch of Public Surveys in New Mexico & Arizona

  • 1880 County map of Arizona and New Mexico

    1880 County map of Arizona and New Mexico

    1880 County map of Arizona and New Mexico

D.O.T. County Road and Highway Maps of Arizona

To View the Map: Just click the image to view the map online. In order to make the image size as small as possible, they were saved on the lowest resolution.

Arizona Map Links

Caleb Pike
About the author

Caleb Pike is an avid hiker and nature lover, with a passion for exploring the great outdoors. He's a writer, photographer, and adventurer, always seeking new trails to blaze and peaks to conquer.