Question: who is the current sheriff of maricopa county arizona
Answer: Size 9,224 square miles ( 23,890 km ) Population 4,242,997 ( est 2016 ) General nature Law enforcement Civilian police Operational structure Headquarters Phoenix , Arizona Agency executive Paul Penzone , Sheriff of Maricopa County Facilities Aviation Units Bell 407 , OH - 58 , TH - 55 , Cessna 206 , and Piper Navajo Website Official Website Footnotes * Divisional agency : Division of the country , over which the agency has usual operational jurisdiction .