Arizona, known as the Grand Canyon State, is divided into 15 counties. Here’s a list of all the counties in Arizona, providing an overview of each, including their population based on the 2020 United States Census, the county seat, and a brief description of their unique features or attractions:
Apache County
- Population: 66,580
- County Seat: St. Johns
- Description: Apache County is located in the northeast part of Arizona and is known for its natural beauty, including the Apache-Sitgreaves National Forests and the Petrified Forest National Park. The county is also home to the Fort Apache Indian Reservation and parts of the Navajo Nation and Zuni Indian Reservation.
Cochise County
- Population: 125,448
- County Seat: Bisbee
- Description: Located in the southeast corner of Arizona, Cochise County is a blend of cowboy history, scenic landscapes, and military significance, with Fort Huachuca being the largest employer in the area. The county seat, Bisbee, is known for its historic mining town charm.
Coconino County
- Population: 145,101
- County Seat: Flagstaff
- Description: Coconino County encompasses a significant portion of northern Arizona, including parts of the Grand Canyon, one of the most famous natural wonders in the United States. The county is also home to Flagstaff, a city known for its educational institutions and its proximity to numerous natural attractions.
Gila County
- Population: 53,597
- County Seat: Globe
- Description: Gila County is in central Arizona and is named after the Gila River, which runs through it. The Tonto National Forest is partly in the county, offering numerous outdoor recreation opportunities. Globe, the county seat, has a rich mining history.
Graham County
- Population: 38,533
- County Seat: Safford
- Description: Located in southeastern Arizona, Graham County includes the city of Safford, which serves as the county seat and economic hub. The county is known for its agricultural production and its natural attractions like the Graham County Fairgrounds.
Greenlee County
- Population: 9,563
- County Seat: Clifton
- Description: As the least populous county in Arizona, Greenlee County is situated in the southeastern part of the state. It’s known for its natural beauty, with the Apache-Sitgreaves National Forests and the Blue River providing scenic backdrops. The mining industry plays a significant role in the local economy.
La Paz County
- Population: 20,481
- County Seat: Parker
- Description: La Paz County is located in western Arizona along the Colorado River. It’s known for its outdoor recreational opportunities, including fishing, boating, and off-roading. The Cibola National Wildlife Refuge is also within the county.
Maricopa County
- Population: 4,420,568
- County Seat: Phoenix
- Description: As the most populous county in Arizona and the United States, Maricopa County encompasses the state capital, Phoenix. It’s a hub for business, culture, and education, with several major institutions and attractions.
Mohave County
- Population: 207,413
- County Seat: Kingman
- Description: Mohave County is in northwestern Arizona and includes parts of the Grand Canyon, Lake Mead, and the Hoover Dam. The county has a rich historical background, with Kingman serving as the county seat and a significant stop on Route 66.
Navajo County
- Population: 106,717
- County Seat: Holbrook
- Description: Navajo County is in northeastern Arizona and is home to the Navajo Nation, the largest Native American reservation in the United States. The Petrified Forest National Park and parts of the Apache-Sitgreaves National Forests are also within the county.
Pima County
- Population: 1,048,273
- County Seat: Tucson
- Description: Pima County is in southern Arizona, with Tucson as its county seat. The county is known for its desert landscapes, including Saguaro National Park, and its rich cultural heritage, including the University of Arizona.
Pinal County
- Population: 425,264
- County Seat: Florence
- Description: Located in central Arizona, Pinal County is a growing region with significant agricultural production and mining activities. The county seat, Florence, is known for its historic downtown area.
Santa Cruz County
- Population: 47,420
- County Seat: Nogales
- Description: Santa Cruz County is in southern Arizona, bordering Mexico. Nogales, the county seat, is an important border crossing. The county also includes parts of the Coronado National Forest and the Patagonia Lake State Park.
Yavapai County
- Population: 231,993
- County Seat: Prescott
- Description: Yavapai County is in the central part of Arizona and is known for its historic towns, such as Prescott, the county seat, and its natural beauty, including the Prescott National Forest. The county has a rich mining history.
Yuma County
- Population: 203,881
- County Seat: Yuma
- Description: Located in southwestern Arizona, Yuma County is known for its agricultural production, particularly dates and lettuce, and its proximity to the Colorado River. Yuma, the county seat, has a significant military presence with the Marine Corps Air Station Yuma.
Each county in Arizona offers a unique blend of history, natural beauty, and cultural diversity, making the state a fascinating place to explore.
