The Miami-Dade Police Department (MDPD), formerly known as the Dade County Sheriff's Office (1836–1957), Dade County Public Safety Department (1957–1981), and the Metro-Dade Police Department (1981–1997), is a law enforcement agency serving Miami-Dade County. The MDPD has approximately 4,900 employees, making it the largest police department in the southeastern United States and the eighth largest in the country. The department is still often referred by its former name, the Metro-Dade Police or simply Metro.