Pima -- U.S. County in Arizona Population (2000): 843746 Housing Units (2000): 366737 Land area (2000): 9186.265302 sq. miles (23792.316898 sq. km) Water area (2000): 2.565306 sq. miles (6.644112 sq. km) Total area (2000): 9188.830608 sq. miles (23798.961010 sq. km) Located within: Arizona (AZ), FIPS 04 Location: 32.178410 N, 111.088624 W Headwords: Pima Pima, AZ Pima County Pima County, AZ