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 and outlying lettered County Trunk Highways, the Milwaukee County Courthouse, the Milwaukee County Criminal Justice Facility and House of Corrections, the county-owned Milwaukee Mitchell International Airport, and the Milwaukee County Parks system, including all of the Milwaukee County lakefront, along with the county's few unincorporated sections.
