Middlesex County New Jersey
Cities and towns
- Edison
- Woodbridge
- Old Bridge
- Piscataway
- New Brunswick
- Perth Amboy
- East Brunswick
- Monroe
- South Brunswick
- Sayreville
- North Brunswick
- Carteret
- South Plainfield
- Plainsboro
- South River
- Metuchen
- Highland Park
- Middlesex
- South Amboy
- Dunellen
- Spotswood
- Milltown
- Jamesburg
- Cranbury
- Helmetta
Unincorporated communities
- Avenel
- Brownville
- Clearbrook
- Colonia
- Concordia
- Cranbury
- Dayton
- Deans
- Encore at Monroe
- Fords
- Forsgate
- Heathcote
- Hopelawn
- Iselin
- Keasbey
- Kendall Park
- Kingston
- Laurence Harbor
- Madison Park
- Menlo Park Terrace
- Monmouth Junction
- Monroe Manor
- Old Bridge
- Plainsboro Center
- Port Reading
- Princeton Meadows
- Regency at Monroe
- Renaissance at Monroe
- Rossmoor
- Rutgers University-Busch Campus
- Rutgers University-Livingston Campus
- Sewaren
- Stonebridge
- The Ponds
- Whittingham
- Woodbridge