Santa Cruz County, Arizona
Santa Cruz County
Santa Cruz County Courthouse
Location within the U.S. state of Arizona
Arizona's location within the U.S.
|Founded||March 15, 1899|
|• Total||1,238 sq mi (3,210 km2)|
|• Land||1,237 sq mi (3,200 km2)|
|• Water||1.2 sq mi (3 km2) 0.1%%|
| • Estimate |
|• Density||38/sq mi (15/km2)|
|Time zone||UTC−7 (Mountain)|
Santa Cruz is a county in southern Arizona. As of the 2010 census, the population was 47,420. The county seat is Nogales. The county was founded on March 15, 1899. It borders Pima County to the north and west, Cochise County to the east, and the Mexican state of Sonora to the south.