The San Diego County Sheriff's Department (SDSD), is the primary and largest law enforcement agency in San Diego County, California, and one of the largest sheriff's departments in the United States: with over 4,000 employees, an annual budget of over $960 million, and a service area over 4,500 square miles extending to a 60-mile international border. The department, established in 1850, has over 4,000 sworn deputies and additional civilian support personnel servicing an area of nearly 4,526 mi².
A law enforcement officer (LEO), or peace officer in North American English, is a public-sector employee whose duties primarily involve the enforcement of laws. The phrase can include campaign disclosure specialists, local police officers, prosecutors, municipal law enforcement officers, health inspectors, SWAT officers, customs officers, lawyers, state troopers, federal agents, secret agents, special investigators, coast guards, border patrol officers, judges, district attorney, bounty hunters, gendarmerie officers, immigration officers, private investigators, court officers, probation officers, parole officers, arson investigators, auxiliary officers, animal control officers, game wardens, park rangers, county sheriff's deputies, constables, marshals, detention officers, correction officers, sworn campus police officers and public safety officers. Security guards are not law enforcement officers, unless they have been granted powers to enforce particular laws, such as those accredited under a community safety accreditation scheme such as a security police officer.
The Jacksonville Sheriff's Office (JSO) is a joint city-county law enforcement agency, which has primary responsibility for law enforcement, investigation, and corrections within the consolidated City of Jacksonville and Duval County, Florida, United States. Duval County includes the incorporated cities of Jacksonville, Atlantic Beach, Baldwin, Jacksonville Beach, and Neptune Beach; the beach cities have their own police departments as well.
The Orange County Sheriff's Department (OCSD) is the law enforcement agency serving Orange County, California. It currently serves the unincorporated areas of Orange County and thirteen contract cities in the county: Aliso Viejo, Dana Point, Laguna Hills, Laguna Niguel, Laguna Woods, Lake Forest, Mission Viejo, Rancho Santa Margarita, San Clemente, San Juan Capistrano, Stanton, Villa Park, and Yorba Linda.
The Los Angeles County Office of Public Safety (LACOPS), less formally known as the Los Angeles County Police, was a police agency for the County of Los Angeles. It was formed in 1998 by consolidating three Los Angeles County law enforcement agencies: the Department of Parks and Recreation Park Police, which was formed in 1969 as Los Angeles County Park Patrol, and the Department of Health Services and Internal Services Department’s Safety Police. OPS was the fourth-largest law enforcement agency in Los Angeles County, which employed 579 sworn peace officers and 140 civilian personnel, and utilized over 800 contract security guards. The agency had an annual budget of $100 million in 2009. OPS was initially a division of the Los Angeles County Department of Human Resources but was placed under the umbrella of the newly created Public Safety branch of the Chief Executive Office in 2007.
The Lake County Sheriff's Office is the largest law enforcement agency in Lake County, Florida, United States. Per the State of Florida Constitution, the sheriff is the chief law enforcement officer of both the incorporated and unincorporated areas of the county. The current Sheriff is Peyton C. Grinnell who was elected November, 2016 in the Lake County general election. He succeeds Sheriff Gary Borders, who was appointed by Governor Jeb Bush following the death of Sheriff Chris Daniels in 2006, and was subsequently elected in 2008, and 2012. The agency has been awarded with a certificate of accreditation from the Commission for Florida Law Enforcement Accreditation, consequently, both the Law Enforcement and Corrections divisions of the Lake County Sheriff's Office are now accredited.
The Sacramento County Sheriff's Office (SSO), is a local law enforcement agency that serves Sacramento County, California. It provides general-service law enforcement to unincorporated areas of Sacramento County, as well as incorporated cities within the county that have contracted with the agency for law-enforcement services. Currently only Rancho Cordova, and Isleton has such a contract with the department since the Citrus Heights and Elk Grove Police Departments assumed all police authority and responsibility for their communities in 2006. It also holds primary jurisdiction over facilities operated by Sacramento County, such as local parks, marinas, and government buildings; provides marshal service for the Sacramento County Superior Court; operates the Sacramento County Jail and the Rio Cosumnes Correctional Center in Elk Grove; and provides services such as laboratories and academy training to smaller law-enforcement agencies within the county. The county sheriff is currently Jim Cooper.
The St. Louis County Police Department (SLCPD) is the primary and largest law enforcement agency serving St. Louis County in the U.S. state of Missouri. The current Chief of Police is Colonel Kenneth Gregory. According to the Charter of St. Louis County, the county police chief has all of the criminal law enforcement duties of the sheriff of St. Louis County, except for the operation of the St. Louis County Jail, which is handled by the St. Louis County Department of Justice Services (civilian), court bailiff and service of civil process. Court bailiff/civil process duties are provided by a court-appointed sheriff and his employees, none of whom have law enforcement powers.
The St. Mary's County Sheriff's Office is the primary law enforcement agency servicing St. Mary's County, Maryland. It has a direct jurisdiction of 764 square miles (1,980 km2) servicing a population of 105,151 people.
Multnomah County Sheriff's Office (MCSO) serves the close to 700,000 residents of Multnomah County, Oregon, United States. Multnomah County Sheriff's Office is a County Law Enforcement agency that handles 9-1-1 calls and assists other city agencies such as Portland Police Bureau. The current Sheriff is Michael Reese. The cities of Maywood Park, Wood Village, Fairview, and Troutdale contract out the law enforcement services of Multnomah County Sheriff's Office.
In the United States, a sheriff is an important official of a shire or county charged primarily with judicial duties. In the United States, a sheriff is one of the chief administrative offices in the country. It is the sheriff's duty to take charge of prisoners, to oversee juries, and to prevent breaches of the peace. Sheriffs are usually elected, although some states have laws requiring certain qualifications of candidates. Elected sheriffs are accountable directly to the citizens of their county, the constitution of their state, and ultimately the United States Constitution.
The Carroll County Sheriff's Office (CCSO) was created in 1837 and is the primary law enforcement agency for Carroll County, MD. It services a population of 170,260 people within 449.13 square miles.
The Maricopa County Sheriff's Office (MCSO) is the law enforcement agency that serves Maricopa County, Arizona, and is the largest sheriff's office in Arizona. The MCSO provides patrol services and criminal investigation to unincorporated areas of the county and operates the county jail system. It also serves as the primary law enforcement agency for any incorporated cities within the county that have contracted with the agency for law-enforcement services. The county sheriff is elected by the citizens and serves as the highest law enforcement official in Maricopa County. The current Sheriff of Maricopa County is Paul Penzone, elected in 2016. As a result of policies and practices under former sheriff Joe Arpaio the MCSO has received significant critical media coverage, federal investigation, and judicial oversight.
The Cook County Sheriff's Office is the principal law enforcement agency that serves Cook County, Illinois. It is the second largest sheriff's department in the United States, with over 6,900 members when at full operational strength. It is headed by the Cook County Sheriff, currently Thomas Dart.
The San Bernardino County Sheriff-Coroner's Department (SBSD) serves San Bernardino County, California, which is geographically the largest county in the United States and is headquartered in San Bernardino city. SBSD provides law enforcement services to the unincorporated areas of the county and contract law enforcement services to 14 of the county's cities, including Rancho Cucamonga and Chino Hills, serving a total of 1,029,466 of the county's 2 million residents. The department also operates the county jail system, provides marshal services for the county superior courts, and has numerous other specialized divisions to serve the citizens of San Bernardino County.
The Kent County Sheriff's Office (KCSO) is the primary law enforcement agency servicing a population of 19,983 people within 279.43 square miles (723.7 km2) of jurisdiction within Kent County located on Maryland's eastern shore.
The United States police-rank model is generally quasi-military in structure. A uniform system of insignia based on that of the US Army and Marine Corps is used to help identify an officer's seniority.
The Milwaukee County Sheriff's Office is the principal law enforcement agency that serves Milwaukee County, Wisconsin. It provides law enforcement services for the county's freeways, Milwaukee County Courthouse, the Milwaukee County Criminal Justice Facility, the county-owned Milwaukee Mitchell International Airport, and 156 Milwaukee County Parks system, including all of the Milwaukee County lakefront. At one time it was the largest sheriff's department in the state of Wisconsin, with about 750 deputy sheriffs. By 2015 the agency had reduced the number of sworn personnel to approximately 300. The reduction of sworn members was due to hiring correction officers and no longer needing deputies in the county jail.
Mitzi G. Johanknecht is an American police officer who served as the sheriff of King County, Washington from 2018 to 2022. Prior to her election in 2017, she served for 32 years at the King County Sheriff's Office, holding the rank of major.
