List of law enforcement agencies in California

According to the U.S. Bureau of Justice Statistics' 2008 Census of State and Local Law Enforcement Agencies, 509 law enforcement agencies exist in the U.S. state of California, employing 79,431 sworn police officers—about 217 for each 100,000 residents. California police officers' authority is derived from the California Penal Code (PC) beginning with Section 830.