The Union City Police Department is made up of two divisions: Field Operations and Support Services.

Captain Gloria Lopez Vaughn oversees the Field Operations Division, which includes managing patrol teams, reserve officers, K-9 units, traffic officers, police explorers, animal control and information technology.

Captain Jared Rinetti oversees the Support Services Division, which includes police investigations, crime analysis, SWAT, school resource officer program, police records, community oriented policing, and recruiting, hiring and training programs.