Pima County is a government entity in Arizona, established in 1864, covering about 9,200 square miles. It serves as one of the oldest continuously inhabited areas in the United States, focusing on implementing state-mandated policies and providing essential public services, particularly in unincorporated areas outside city jurisdictions.
Governed by a five-member Board of Supervisors, Pima County manages various departments to ensure safe communities, economic development, and public health. The county collaborates with regional cities, tribes, and organizations to address challenges in areas like climate, water, and transportation. Key services include public health, community services, law enforcement, and administration, along with support for unincorporated areas through transportation, parks, and zoning permits. Pima County is dedicated to enhancing the quality of life for its residents and fostering economic growth.