Allegheny County Sheriff

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Allegheny County Sheriff's Office
Abbreviation ACSO
Agency overview
Formed 1788
Legal personality Governmental: Government agency
Jurisdictional structure
Operations jurisdiction* County (United States) of Allegheny in the state of Pennsylvania, United States
Size 745 m²
Population 2.6 million
Legal jurisdiction Allegheny County, Pennsylvania
General nature
Operational structure
Headquarters Pittsburgh, Pennsylvania
Sworn members 200[1] = Deputy Sheriff
Civilians 100
Agency executive William P. Mullen, Sheriff
* Divisional agency: Division of the country, over which the agency has usual operational jurisdiction.

The Allegheny County Sheriff's Office (ACSO) is a local county law enforcement agency that serves both Pittsburgh and Allegheny County, Pennsylvania. It primarily provides court, warrant, bailiff, and jail/prisoner transport services for the county. In some jurisdictions it also supplements local law enforcement by providing reserve forces for backup. The Sheriff is an elected office. The ACSO has some oversight of Pittsburgh International Airport, which is located in the county.


The first sheriff to be elected in Allegheny County was James Morrison, who took office in January 1789, soon after the United States gained independence from Great Britain in the Revolutionary War.[2]

See also


  1. ^
  2. ^ [1]
  3. ^ [2]

External links

  • Official website
  • History of Sheriffs
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