The protesters later congregated outside before five were arrested. They are charged with trespassing and disturbing the peace.
Shortly before 1:00 a.m. the demonstrators left the area with a promise to police that they would “be back.”
Stenger apparently defeated Republican state lawmaker Rick Stream on Tuesday to become the county executive. The Ferguson police shooting of an unarmed black 18-year-old dominated the campaign, and many black activists and political leaders supported Stream.