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 or private-sector employee whose duties primarily involve the enforcement of laws, protecting life & property, keeping the peace, and other public safety related duties. Law enforcement officers are designated certain powers & authority by law to allow them to carry out their responsibilities.
There are more than 800,000 sworn law enforcement officers now serving in the United States. Around 137,000 of those officers work for federal law enforcement agencies.
The Ventura County Sheriff's Office (VCSO), also sometimes known as the Ventura County Sheriff's Department (VCSD), provides law enforcement for the unincorporated areas of Ventura County, California, as well as several cities within the county. The cities that Ventura County Sheriff's Office provides police services for are Camarillo, Fillmore, Moorpark, Ojai, and Thousand Oaks.
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 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 Lake County Sheriff's Department is the county law enforcement agency for Lake County, Indiana.
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.
In the United States, a sheriff is the chief of law enforcement of a county. Sheriffs are usually either elected by the populace or appointed by an elected body.
The New York City Sheriff's Office (NYCSO), officially the Office of the Sheriff of the City of New York, is the primary civil law enforcement agency for New York City. The Sheriff's Office is a division of the New York City Department of Finance, operating as an enforcement arm. The Sheriff's Office handles investigations concerning cigarette tax enforcement, real estate property/deed fraud and other matters deemed necessary by the Department of Finance.
The Santa Clara County Sheriff's Office is a local law enforcement agency that serves Santa Clara County, California. It provides general-service law enforcement to unincorporated areas of Santa Clara County, as well as incorporated cities within the county that have contracted with the agency for law-enforcement services such as Saratoga, Cupertino, and Los Altos Hills. The Santa Clara Valley Transportation Authority also contracted with the Sheriff's Office for law enforcement service.
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 Los Angeles County Sheriff's Department (LASD), officially the County of Los Angeles Sheriff's Department, is a law enforcement agency serving Los Angeles County, California. LASD is the largest sheriff's department in the United States and the fourth largest local police agency in the United States, following the New York Police Department (NYPD), the Chicago Police Department (CPD) and the Los Angeles municipal Police Department (LAPD). LASD has approximately 18,000 employees, 9,915 sworn deputies and 9,244 unsworn members. It is sometimes confused with the unrelated Los Angeles Police Department which provides law enforcement service within the city of Los Angeles, which is the county seat of Los Angeles County.
The Allegheny County Sheriff's Office is a law enforcement agency that serves Allegheny County, Pennsylvania, and is the largest sheriff's office in the state. The ACSO serves as a local arm of the Pennsylvania Unified Judicial System in a number of roles, including: court security, writ services, sales, prisoner transportation, issuing of firearm licenses and execution of warrants. A primary responsibility of the office is fugitive apprehension. The Sheriff's Office also assists local law enforcement agencies with emergency and incident response on an as-needed basis, most notably through the use of trained police canines.
The Kern County Sheriff's Office is the agency responsible for law enforcement within Kern County, California, in the United States. The agency provides: law enforcement within the county, maintain the jails used by both the county and municipalities, and provides search and rescue. Its jurisdiction contains all of the unincorporated areas of the county, approximately 8,000 square miles (21,000 km2). The headquarters is in Bakersfield with 15 substations located throughout the county. The metro patrol area is divided into four regions: north, south, east, and west. The Sheriff's Office has over 1,200 sworn officers and civilian employees.
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.
Sheboygan County Sheriff's Office is the principal law enforcement agency that serves Sheboygan County, Wisconsin. The current sheriff is Cory Roeseler, who was elected to his first term in office in 2018.
The Tulare Police Department is the police department serving Tulare, California. As of January 2022, the Chief of Police was Wes Hensley.
