Hillsborough County Sheriff's Office (HCSO) is the primary law enforcement agency for Hillsborough County, Florida and is responsible for law enforcement services for the 888 square miles (2,300 km2) of unincorporated areas of the county as well as operation of the two jail facilities and a work release center, and provides courthouse security for the 13th Judicial Circuit. Each of the three incorporated cities (Tampa, Plant City, and Temple Terrace) has its own police agency. Tampa International Airport and the University of South Florida also have independent police agencies. The sheriff is the chief law enforcement officer of the county. The current sheriff is Chad Chronister. Sheriff Chronister was appointed by Florida Governor Rick Scott on September 30, 2017, to fill the position after the retirement of David Gee. The office has one of the lowest officer-to-citizen ratios in the state with 1.4 deputies per 1000 citizens. The national average is 2.3 per 1000. The population of Hillsborough County in 2006 was 1,157,738.[failed verification] From Wikipedia