Cities in Middlesex: Avenel Carteret Colonia Cranbury Dayton Dunellen East Brunswick Edison Fords Helmetta Highland Park Iselin Keasbey Kendall Park Metuchen Middlesex Milltown Monmouth Junction Monroe Township New Brunswick North Brunswick Old Bridge Parlin Perth Amboy Piscataway Plainsboro Port Reading Sayreville Sewaren South Amboy South Plainfield South River Spotswood Woodbridge