The ACSO is a nationally accredited law enforcement agency servicing 430 square miles (1,100 km2) and a population of 75,300.

[2] The ACSO is divided into four divisions: Created in 2008 and disbanded in 2011, the "Bureau of Police" (BOP) was created by the Allegany County Board of Commissioners who were largely in disagreement with then-Sheriff Goad as to how to police the county.

Patrol Administrative Assistants: Sherri Thompson Tammi Mann Detention Center - Assistant Administrator Captain: Daniel B. Lasher Training Director Lieutenant: Rhonda L. Downton Operations Director Lieutenant: Betsy Shoemake Security Director Lieutenant: William Greise Administrative Assistant Linda Greise Alternative Sentencing Labor Unit Manager: James Bone Judicial Unit Manager: Chapin Jewell [1] The Allegany County Sheriffs Patrol is a sworn full service Patrol Law Enforcement Agency serving the citizens of Allegany County.

Sheriffs Deputies are responsible for the enforcement of all criminal and civil laws of the State of Maryland which includes the investigation of any crimes, traffic violations and vehicle accidents.

Sheriffs Deputies are also responsible for the security of the Allegany County Circuit Court and Getty Annex.