Map of Ajo Arizona

Ajo is an unincorporated community in Pima County, Arizona, United States. It is the closest community to Organ Pipe Cactus National Monument. The population was 3,039 at the 2020 census. Ajo is located on State Route 85 just 43 miles from the Mexican border.
  • Elevation: 1,759 ft (536 m)
  • Country: United States
  • State: Arizona
  • County: Pima
  • ZIP code: 85321
  • Area code: 520
  • FIPS code: 04-00870
Data from: en.wikipedia.org